/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w16_d16_e0.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-25 13:52:18,746 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-25 13:52:18,795 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2023-12-25 13:52:18,799 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-25 13:52:18,799 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-25 13:52:18,817 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-25 13:52:18,818 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-25 13:52:18,818 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-25 13:52:18,819 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-25 13:52:18,819 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-25 13:52:18,819 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-25 13:52:18,820 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-25 13:52:18,820 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-25 13:52:18,821 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-25 13:52:18,821 INFO L153 SettingsManager]: * Use SBE=true [2023-12-25 13:52:18,821 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-25 13:52:18,821 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-25 13:52:18,822 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-25 13:52:18,822 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-25 13:52:18,822 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-25 13:52:18,823 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-25 13:52:18,823 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-25 13:52:18,823 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-25 13:52:18,824 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-25 13:52:18,824 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-25 13:52:18,824 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-25 13:52:18,825 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-25 13:52:18,825 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-25 13:52:18,825 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-25 13:52:18,825 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 13:52:18,826 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-25 13:52:18,826 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-25 13:52:18,826 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-25 13:52:18,827 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-25 13:52:18,827 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-25 13:52:18,827 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-25 13:52:18,828 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-25 13:52:18,828 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-25 13:52:18,828 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-25 13:52:18,829 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-25 13:52:18,829 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-25 13:52:19,071 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-25 13:52:19,087 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-25 13:52:19,090 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-25 13:52:19,092 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-25 13:52:19,093 INFO L274 PluginConnector]: CDTParser initialized [2023-12-25 13:52:19,094 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w16_d16_e0.c [2023-12-25 13:52:20,311 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-25 13:52:20,646 INFO L384 CDTParser]: Found 1 translation units. [2023-12-25 13:52:20,647 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w16_d16_e0.c [2023-12-25 13:52:20,669 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bdf42d9e/2ffe8910b52d4661a2fe2ddb99f51638/FLAG902865ef7 [2023-12-25 13:52:20,685 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bdf42d9e/2ffe8910b52d4661a2fe2ddb99f51638 [2023-12-25 13:52:20,689 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-25 13:52:20,691 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-25 13:52:20,693 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-25 13:52:20,693 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-25 13:52:20,697 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-25 13:52:20,697 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 01:52:20" (1/1) ... [2023-12-25 13:52:20,699 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@366ff1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 01:52:20, skipping insertion in model container [2023-12-25 13:52:20,699 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 01:52:20" (1/1) ... [2023-12-25 13:52:20,776 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 13:52:20,981 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w16_d16_e0.c[1271,1284] [2023-12-25 13:52:21,431 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 13:52:21,442 INFO L202 MainTranslator]: Completed pre-run [2023-12-25 13:52:21,451 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w16_d16_e0.c[1271,1284] [2023-12-25 13:52:21,656 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 13:52:21,668 INFO L206 MainTranslator]: Completed translation [2023-12-25 13:52:21,668 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 01:52:21 WrapperNode [2023-12-25 13:52:21,669 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-25 13:52:21,669 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-25 13:52:21,670 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-25 13:52:21,670 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-25 13:52:21,675 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 01:52:21" (1/1) ... [2023-12-25 13:52:21,739 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 01:52:21" (1/1) ... [2023-12-25 13:52:22,448 INFO L138 Inliner]: procedures = 17, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 8484 [2023-12-25 13:52:22,448 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-25 13:52:22,449 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-25 13:52:22,449 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-25 13:52:22,449 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-25 13:52:22,459 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 01:52:21" (1/1) ... [2023-12-25 13:52:22,459 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 01:52:21" (1/1) ... [2023-12-25 13:52:22,665 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 01:52:21" (1/1) ... [2023-12-25 13:52:22,816 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-25 13:52:22,816 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 01:52:21" (1/1) ... [2023-12-25 13:52:22,816 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 01:52:21" (1/1) ... [2023-12-25 13:52:23,091 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 01:52:21" (1/1) ... [2023-12-25 13:52:23,133 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 01:52:21" (1/1) ... [2023-12-25 13:52:23,177 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 01:52:21" (1/1) ... [2023-12-25 13:52:23,203 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 01:52:21" (1/1) ... [2023-12-25 13:52:23,292 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-25 13:52:23,293 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-25 13:52:23,293 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-25 13:52:23,293 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-25 13:52:23,294 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 01:52:21" (1/1) ... [2023-12-25 13:52:23,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 13:52:23,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 13:52:23,325 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-25 13:52:23,336 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-25 13:52:23,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-25 13:52:23,352 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-25 13:52:23,352 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-25 13:52:23,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-25 13:52:23,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-25 13:52:23,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-25 13:52:23,841 INFO L241 CfgBuilder]: Building ICFG [2023-12-25 13:52:23,843 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-25 13:52:27,938 INFO L282 CfgBuilder]: Performing block encoding [2023-12-25 13:52:28,104 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-25 13:52:28,105 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-25 13:52:28,106 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 01:52:28 BoogieIcfgContainer [2023-12-25 13:52:28,106 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-25 13:52:28,108 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-25 13:52:28,108 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-25 13:52:28,111 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-25 13:52:28,111 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.12 01:52:20" (1/3) ... [2023-12-25 13:52:28,112 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b54f57c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 01:52:28, skipping insertion in model container [2023-12-25 13:52:28,113 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 01:52:21" (2/3) ... [2023-12-25 13:52:28,113 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b54f57c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 01:52:28, skipping insertion in model container [2023-12-25 13:52:28,113 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 01:52:28" (3/3) ... [2023-12-25 13:52:28,114 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.arbitrated_top_n4_w16_d16_e0.c [2023-12-25 13:52:28,130 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-25 13:52:28,130 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-25 13:52:28,211 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-25 13:52:28,218 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1a18381d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-25 13:52:28,218 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-25 13:52:28,228 INFO L276 IsEmpty]: Start isEmpty. Operand has 1643 states, 1627 states have (on average 1.6607252612169638) internal successors, (2702), 1628 states have internal predecessors, (2702), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:52:28,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 703 [2023-12-25 13:52:28,263 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:52:28,264 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:52:28,264 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:52:28,269 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:52:28,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1479287149, now seen corresponding path program 1 times [2023-12-25 13:52:28,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:52:28,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75537193] [2023-12-25 13:52:28,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:52:28,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:52:29,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:32,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:52:32,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:32,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:52:32,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:32,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:52:32,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:32,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:52:32,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:32,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 13:52:32,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:32,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2023-12-25 13:52:32,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:32,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-12-25 13:52:32,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:32,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-12-25 13:52:32,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:32,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 13:52:32,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:32,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2023-12-25 13:52:32,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:32,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2023-12-25 13:52:32,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:32,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2023-12-25 13:52:32,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:32,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2023-12-25 13:52:32,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:32,168 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:52:32,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:52:32,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75537193] [2023-12-25 13:52:32,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75537193] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:52:32,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:52:32,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 13:52:32,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040478555] [2023-12-25 13:52:32,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:52:32,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 13:52:32,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:52:32,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 13:52:32,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 13:52:32,214 INFO L87 Difference]: Start difference. First operand has 1643 states, 1627 states have (on average 1.6607252612169638) internal successors, (2702), 1628 states have internal predecessors, (2702), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 4 states, 4 states have (on average 160.0) internal successors, (640), 4 states have internal predecessors, (640), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:52:32,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:52:32,656 INFO L93 Difference]: Finished difference Result 3028 states and 5042 transitions. [2023-12-25 13:52:32,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:52:32,661 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 160.0) internal successors, (640), 4 states have internal predecessors, (640), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 702 [2023-12-25 13:52:32,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:52:32,684 INFO L225 Difference]: With dead ends: 3028 [2023-12-25 13:52:32,684 INFO L226 Difference]: Without dead ends: 1641 [2023-12-25 13:52:32,690 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:52:32,693 INFO L413 NwaCegarLoop]: 2570 mSDtfsCounter, 2222 mSDsluCounter, 2572 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2222 SdHoareTripleChecker+Valid, 5142 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:52:32,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2222 Valid, 5142 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 13:52:32,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1641 states. [2023-12-25 13:52:32,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1641 to 1641. [2023-12-25 13:52:32,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1641 states, 1626 states have (on average 1.6580565805658056) internal successors, (2696), 1626 states have internal predecessors, (2696), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:52:32,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1641 states to 1641 states and 2722 transitions. [2023-12-25 13:52:32,778 INFO L78 Accepts]: Start accepts. Automaton has 1641 states and 2722 transitions. Word has length 702 [2023-12-25 13:52:32,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:52:32,780 INFO L495 AbstractCegarLoop]: Abstraction has 1641 states and 2722 transitions. [2023-12-25 13:52:32,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 160.0) internal successors, (640), 4 states have internal predecessors, (640), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:52:32,781 INFO L276 IsEmpty]: Start isEmpty. Operand 1641 states and 2722 transitions. [2023-12-25 13:52:32,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 704 [2023-12-25 13:52:32,794 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:52:32,794 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:52:32,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-25 13:52:32,795 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:52:32,795 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:52:32,795 INFO L85 PathProgramCache]: Analyzing trace with hash -475247965, now seen corresponding path program 1 times [2023-12-25 13:52:32,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:52:32,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141032768] [2023-12-25 13:52:32,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:52:32,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:52:33,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:34,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:52:34,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:34,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:52:34,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:34,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:52:34,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:34,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:52:34,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:34,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 13:52:34,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:34,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2023-12-25 13:52:34,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:34,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-12-25 13:52:34,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:34,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-12-25 13:52:34,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:34,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 13:52:34,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:34,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2023-12-25 13:52:34,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:34,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2023-12-25 13:52:34,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:34,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2023-12-25 13:52:34,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:34,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2023-12-25 13:52:34,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:34,492 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:52:34,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:52:34,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141032768] [2023-12-25 13:52:34,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141032768] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:52:34,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:52:34,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:52:34,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413100777] [2023-12-25 13:52:34,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:52:34,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:52:34,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:52:34,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:52:34,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:52:34,554 INFO L87 Difference]: Start difference. First operand 1641 states and 2722 transitions. Second operand has 5 states, 5 states have (on average 128.2) internal successors, (641), 5 states have internal predecessors, (641), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:52:35,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:52:35,012 INFO L93 Difference]: Finished difference Result 3252 states and 5390 transitions. [2023-12-25 13:52:35,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 13:52:35,014 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 128.2) internal successors, (641), 5 states have internal predecessors, (641), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 703 [2023-12-25 13:52:35,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:52:35,021 INFO L225 Difference]: With dead ends: 3252 [2023-12-25 13:52:35,022 INFO L226 Difference]: Without dead ends: 1641 [2023-12-25 13:52:35,025 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-25 13:52:35,027 INFO L413 NwaCegarLoop]: 2699 mSDtfsCounter, 2946 mSDsluCounter, 5284 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2946 SdHoareTripleChecker+Valid, 7983 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:52:35,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2946 Valid, 7983 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 13:52:35,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1641 states. [2023-12-25 13:52:35,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1641 to 1641. [2023-12-25 13:52:35,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1641 states, 1626 states have (on average 1.6574415744157442) internal successors, (2695), 1626 states have internal predecessors, (2695), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:52:35,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1641 states to 1641 states and 2721 transitions. [2023-12-25 13:52:35,104 INFO L78 Accepts]: Start accepts. Automaton has 1641 states and 2721 transitions. Word has length 703 [2023-12-25 13:52:35,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:52:35,105 INFO L495 AbstractCegarLoop]: Abstraction has 1641 states and 2721 transitions. [2023-12-25 13:52:35,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 128.2) internal successors, (641), 5 states have internal predecessors, (641), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:52:35,105 INFO L276 IsEmpty]: Start isEmpty. Operand 1641 states and 2721 transitions. [2023-12-25 13:52:35,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 705 [2023-12-25 13:52:35,135 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:52:35,135 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:52:35,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-25 13:52:35,136 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:52:35,136 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:52:35,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1043082445, now seen corresponding path program 1 times [2023-12-25 13:52:35,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:52:35,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824848941] [2023-12-25 13:52:35,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:52:35,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:52:35,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:36,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:52:36,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:36,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:52:36,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:36,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:52:36,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:36,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:52:36,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:36,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 13:52:36,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:36,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2023-12-25 13:52:36,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:36,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-12-25 13:52:36,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:36,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-12-25 13:52:36,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:36,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 13:52:36,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:36,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2023-12-25 13:52:36,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:36,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2023-12-25 13:52:36,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:36,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2023-12-25 13:52:36,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:36,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2023-12-25 13:52:36,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:36,695 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:52:36,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:52:36,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824848941] [2023-12-25 13:52:36,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824848941] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:52:36,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:52:36,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:52:36,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391581165] [2023-12-25 13:52:36,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:52:36,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:52:36,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:52:36,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:52:36,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:52:36,700 INFO L87 Difference]: Start difference. First operand 1641 states and 2721 transitions. Second operand has 5 states, 5 states have (on average 128.4) internal successors, (642), 5 states have internal predecessors, (642), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:52:37,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:52:37,037 INFO L93 Difference]: Finished difference Result 3026 states and 5016 transitions. [2023-12-25 13:52:37,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:52:37,038 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 128.4) internal successors, (642), 5 states have internal predecessors, (642), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 704 [2023-12-25 13:52:37,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:52:37,045 INFO L225 Difference]: With dead ends: 3026 [2023-12-25 13:52:37,045 INFO L226 Difference]: Without dead ends: 1641 [2023-12-25 13:52:37,047 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:52:37,048 INFO L413 NwaCegarLoop]: 2570 mSDtfsCounter, 2691 mSDsluCounter, 2588 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2704 SdHoareTripleChecker+Valid, 5158 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:52:37,048 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2704 Valid, 5158 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 13:52:37,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1641 states. [2023-12-25 13:52:37,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1641 to 1641. [2023-12-25 13:52:37,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1641 states, 1626 states have (on average 1.6568265682656826) internal successors, (2694), 1626 states have internal predecessors, (2694), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:52:37,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1641 states to 1641 states and 2720 transitions. [2023-12-25 13:52:37,084 INFO L78 Accepts]: Start accepts. Automaton has 1641 states and 2720 transitions. Word has length 704 [2023-12-25 13:52:37,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:52:37,085 INFO L495 AbstractCegarLoop]: Abstraction has 1641 states and 2720 transitions. [2023-12-25 13:52:37,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 128.4) internal successors, (642), 5 states have internal predecessors, (642), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:52:37,085 INFO L276 IsEmpty]: Start isEmpty. Operand 1641 states and 2720 transitions. [2023-12-25 13:52:37,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 706 [2023-12-25 13:52:37,099 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:52:37,100 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:52:37,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-25 13:52:37,100 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:52:37,101 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:52:37,101 INFO L85 PathProgramCache]: Analyzing trace with hash -938076919, now seen corresponding path program 1 times [2023-12-25 13:52:37,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:52:37,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306765983] [2023-12-25 13:52:37,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:52:37,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:52:37,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:38,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:52:38,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:38,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:52:38,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:38,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:52:38,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:38,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:52:38,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:38,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 13:52:38,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:38,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2023-12-25 13:52:38,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:38,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-12-25 13:52:38,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:38,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-12-25 13:52:38,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:38,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 13:52:38,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:38,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2023-12-25 13:52:38,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:38,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2023-12-25 13:52:38,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:38,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2023-12-25 13:52:38,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:38,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2023-12-25 13:52:38,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:38,331 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:52:38,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:52:38,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306765983] [2023-12-25 13:52:38,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306765983] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:52:38,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:52:38,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:52:38,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535592162] [2023-12-25 13:52:38,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:52:38,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:52:38,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:52:38,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:52:38,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:52:38,339 INFO L87 Difference]: Start difference. First operand 1641 states and 2720 transitions. Second operand has 5 states, 5 states have (on average 128.6) internal successors, (643), 5 states have internal predecessors, (643), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:52:38,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:52:38,690 INFO L93 Difference]: Finished difference Result 3026 states and 5014 transitions. [2023-12-25 13:52:38,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:52:38,691 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 128.6) internal successors, (643), 5 states have internal predecessors, (643), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 705 [2023-12-25 13:52:38,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:52:38,697 INFO L225 Difference]: With dead ends: 3026 [2023-12-25 13:52:38,697 INFO L226 Difference]: Without dead ends: 1641 [2023-12-25 13:52:38,701 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:52:38,706 INFO L413 NwaCegarLoop]: 2570 mSDtfsCounter, 2687 mSDsluCounter, 2588 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2700 SdHoareTripleChecker+Valid, 5158 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:52:38,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2700 Valid, 5158 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 13:52:38,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1641 states. [2023-12-25 13:52:38,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1641 to 1641. [2023-12-25 13:52:38,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1641 states, 1626 states have (on average 1.6562115621156213) internal successors, (2693), 1626 states have internal predecessors, (2693), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:52:38,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1641 states to 1641 states and 2719 transitions. [2023-12-25 13:52:38,738 INFO L78 Accepts]: Start accepts. Automaton has 1641 states and 2719 transitions. Word has length 705 [2023-12-25 13:52:38,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:52:38,739 INFO L495 AbstractCegarLoop]: Abstraction has 1641 states and 2719 transitions. [2023-12-25 13:52:38,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 128.6) internal successors, (643), 5 states have internal predecessors, (643), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:52:38,740 INFO L276 IsEmpty]: Start isEmpty. Operand 1641 states and 2719 transitions. [2023-12-25 13:52:38,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 707 [2023-12-25 13:52:38,752 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:52:38,753 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:52:38,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-25 13:52:38,753 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:52:38,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:52:38,754 INFO L85 PathProgramCache]: Analyzing trace with hash -1995200551, now seen corresponding path program 1 times [2023-12-25 13:52:38,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:52:38,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001673355] [2023-12-25 13:52:38,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:52:38,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:52:39,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:39,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:52:39,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:39,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:52:39,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:39,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:52:39,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:39,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:52:39,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:39,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 13:52:39,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:39,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2023-12-25 13:52:39,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:39,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-12-25 13:52:39,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:39,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-12-25 13:52:39,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:39,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 13:52:39,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:39,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2023-12-25 13:52:39,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:39,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2023-12-25 13:52:39,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:39,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2023-12-25 13:52:39,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:39,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2023-12-25 13:52:39,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:39,883 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:52:39,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:52:39,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001673355] [2023-12-25 13:52:39,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001673355] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:52:39,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:52:39,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:52:39,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419326498] [2023-12-25 13:52:39,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:52:39,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:52:39,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:52:39,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:52:39,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:52:39,887 INFO L87 Difference]: Start difference. First operand 1641 states and 2719 transitions. Second operand has 5 states, 5 states have (on average 128.8) internal successors, (644), 5 states have internal predecessors, (644), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:52:40,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:52:40,245 INFO L93 Difference]: Finished difference Result 3026 states and 5012 transitions. [2023-12-25 13:52:40,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:52:40,246 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 128.8) internal successors, (644), 5 states have internal predecessors, (644), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 706 [2023-12-25 13:52:40,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:52:40,252 INFO L225 Difference]: With dead ends: 3026 [2023-12-25 13:52:40,252 INFO L226 Difference]: Without dead ends: 1641 [2023-12-25 13:52:40,255 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:52:40,256 INFO L413 NwaCegarLoop]: 2570 mSDtfsCounter, 5047 mSDsluCounter, 2572 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5060 SdHoareTripleChecker+Valid, 5142 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:52:40,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5060 Valid, 5142 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 13:52:40,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1641 states. [2023-12-25 13:52:40,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1641 to 1641. [2023-12-25 13:52:40,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1641 states, 1626 states have (on average 1.6555965559655597) internal successors, (2692), 1626 states have internal predecessors, (2692), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:52:40,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1641 states to 1641 states and 2718 transitions. [2023-12-25 13:52:40,287 INFO L78 Accepts]: Start accepts. Automaton has 1641 states and 2718 transitions. Word has length 706 [2023-12-25 13:52:40,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:52:40,288 INFO L495 AbstractCegarLoop]: Abstraction has 1641 states and 2718 transitions. [2023-12-25 13:52:40,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 128.8) internal successors, (644), 5 states have internal predecessors, (644), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:52:40,289 INFO L276 IsEmpty]: Start isEmpty. Operand 1641 states and 2718 transitions. [2023-12-25 13:52:40,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 708 [2023-12-25 13:52:40,294 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:52:40,294 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:52:40,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-25 13:52:40,295 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:52:40,295 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:52:40,295 INFO L85 PathProgramCache]: Analyzing trace with hash -745977233, now seen corresponding path program 1 times [2023-12-25 13:52:40,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:52:40,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084415707] [2023-12-25 13:52:40,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:52:40,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:52:40,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:41,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:52:41,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:41,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:52:41,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:41,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:52:41,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:41,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:52:41,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:41,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 13:52:41,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:41,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2023-12-25 13:52:41,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:41,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-12-25 13:52:41,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:41,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-12-25 13:52:41,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:41,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 13:52:41,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:41,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2023-12-25 13:52:41,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:41,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2023-12-25 13:52:41,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:41,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2023-12-25 13:52:41,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:41,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2023-12-25 13:52:41,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:41,582 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:52:41,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:52:41,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084415707] [2023-12-25 13:52:41,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084415707] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:52:41,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:52:41,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:52:41,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199765456] [2023-12-25 13:52:41,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:52:41,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:52:41,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:52:41,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:52:41,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:52:41,586 INFO L87 Difference]: Start difference. First operand 1641 states and 2718 transitions. Second operand has 5 states, 5 states have (on average 129.0) internal successors, (645), 5 states have internal predecessors, (645), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:52:41,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:52:41,928 INFO L93 Difference]: Finished difference Result 3026 states and 5010 transitions. [2023-12-25 13:52:41,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:52:41,929 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 129.0) internal successors, (645), 5 states have internal predecessors, (645), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 707 [2023-12-25 13:52:41,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:52:41,936 INFO L225 Difference]: With dead ends: 3026 [2023-12-25 13:52:41,936 INFO L226 Difference]: Without dead ends: 1641 [2023-12-25 13:52:41,938 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:52:41,939 INFO L413 NwaCegarLoop]: 2570 mSDtfsCounter, 2609 mSDsluCounter, 2588 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2622 SdHoareTripleChecker+Valid, 5158 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:52:41,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2622 Valid, 5158 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 13:52:41,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1641 states. [2023-12-25 13:52:41,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1641 to 1641. [2023-12-25 13:52:41,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1641 states, 1626 states have (on average 1.654981549815498) internal successors, (2691), 1626 states have internal predecessors, (2691), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:52:41,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1641 states to 1641 states and 2717 transitions. [2023-12-25 13:52:41,970 INFO L78 Accepts]: Start accepts. Automaton has 1641 states and 2717 transitions. Word has length 707 [2023-12-25 13:52:41,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:52:41,971 INFO L495 AbstractCegarLoop]: Abstraction has 1641 states and 2717 transitions. [2023-12-25 13:52:41,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 129.0) internal successors, (645), 5 states have internal predecessors, (645), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:52:41,971 INFO L276 IsEmpty]: Start isEmpty. Operand 1641 states and 2717 transitions. [2023-12-25 13:52:41,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 709 [2023-12-25 13:52:41,977 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:52:41,977 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:52:41,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-25 13:52:41,978 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:52:41,978 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:52:41,978 INFO L85 PathProgramCache]: Analyzing trace with hash 728153073, now seen corresponding path program 1 times [2023-12-25 13:52:41,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:52:41,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930587458] [2023-12-25 13:52:41,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:52:41,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:52:42,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:43,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:52:43,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:43,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:52:43,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:43,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:52:43,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:43,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:52:43,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:43,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 13:52:43,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:43,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2023-12-25 13:52:43,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:43,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-12-25 13:52:43,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:43,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-12-25 13:52:43,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:43,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 13:52:43,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:43,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2023-12-25 13:52:43,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:43,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2023-12-25 13:52:43,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:43,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2023-12-25 13:52:43,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:43,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2023-12-25 13:52:43,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:43,256 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:52:43,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:52:43,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930587458] [2023-12-25 13:52:43,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930587458] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:52:43,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:52:43,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:52:43,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60250908] [2023-12-25 13:52:43,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:52:43,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:52:43,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:52:43,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:52:43,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:52:43,260 INFO L87 Difference]: Start difference. First operand 1641 states and 2717 transitions. Second operand has 5 states, 5 states have (on average 129.2) internal successors, (646), 5 states have internal predecessors, (646), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:52:43,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:52:43,598 INFO L93 Difference]: Finished difference Result 3026 states and 5008 transitions. [2023-12-25 13:52:43,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:52:43,600 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 129.2) internal successors, (646), 5 states have internal predecessors, (646), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 708 [2023-12-25 13:52:43,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:52:43,606 INFO L225 Difference]: With dead ends: 3026 [2023-12-25 13:52:43,606 INFO L226 Difference]: Without dead ends: 1641 [2023-12-25 13:52:43,608 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:52:43,609 INFO L413 NwaCegarLoop]: 2570 mSDtfsCounter, 2605 mSDsluCounter, 2588 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2618 SdHoareTripleChecker+Valid, 5158 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:52:43,609 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2618 Valid, 5158 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 13:52:43,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1641 states. [2023-12-25 13:52:43,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1641 to 1641. [2023-12-25 13:52:43,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1641 states, 1626 states have (on average 1.6543665436654367) internal successors, (2690), 1626 states have internal predecessors, (2690), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:52:43,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1641 states to 1641 states and 2716 transitions. [2023-12-25 13:52:43,651 INFO L78 Accepts]: Start accepts. Automaton has 1641 states and 2716 transitions. Word has length 708 [2023-12-25 13:52:43,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:52:43,651 INFO L495 AbstractCegarLoop]: Abstraction has 1641 states and 2716 transitions. [2023-12-25 13:52:43,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 129.2) internal successors, (646), 5 states have internal predecessors, (646), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:52:43,652 INFO L276 IsEmpty]: Start isEmpty. Operand 1641 states and 2716 transitions. [2023-12-25 13:52:43,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 710 [2023-12-25 13:52:43,658 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:52:43,658 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:52:43,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-25 13:52:43,658 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:52:43,659 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:52:43,659 INFO L85 PathProgramCache]: Analyzing trace with hash -1424724587, now seen corresponding path program 1 times [2023-12-25 13:52:43,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:52:43,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065389267] [2023-12-25 13:52:43,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:52:43,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:52:43,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:44,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:52:44,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:44,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:52:44,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:44,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:52:44,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:44,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:52:44,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:44,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 13:52:44,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:44,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2023-12-25 13:52:44,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:44,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-12-25 13:52:44,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:44,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-12-25 13:52:44,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:44,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 13:52:44,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:44,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2023-12-25 13:52:44,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:44,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2023-12-25 13:52:44,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:44,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2023-12-25 13:52:44,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:44,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2023-12-25 13:52:44,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:44,799 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:52:44,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:52:44,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065389267] [2023-12-25 13:52:44,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065389267] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:52:44,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:52:44,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:52:44,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69106534] [2023-12-25 13:52:44,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:52:44,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:52:44,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:52:44,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:52:44,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:52:44,803 INFO L87 Difference]: Start difference. First operand 1641 states and 2716 transitions. Second operand has 5 states, 5 states have (on average 129.4) internal successors, (647), 5 states have internal predecessors, (647), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:52:45,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:52:45,136 INFO L93 Difference]: Finished difference Result 3026 states and 5006 transitions. [2023-12-25 13:52:45,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:52:45,137 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 129.4) internal successors, (647), 5 states have internal predecessors, (647), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 709 [2023-12-25 13:52:45,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:52:45,144 INFO L225 Difference]: With dead ends: 3026 [2023-12-25 13:52:45,144 INFO L226 Difference]: Without dead ends: 1641 [2023-12-25 13:52:45,146 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:52:45,147 INFO L413 NwaCegarLoop]: 2570 mSDtfsCounter, 4883 mSDsluCounter, 2572 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4896 SdHoareTripleChecker+Valid, 5142 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:52:45,147 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4896 Valid, 5142 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 13:52:45,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1641 states. [2023-12-25 13:52:45,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1641 to 1641. [2023-12-25 13:52:45,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1641 states, 1626 states have (on average 1.653751537515375) internal successors, (2689), 1626 states have internal predecessors, (2689), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:52:45,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1641 states to 1641 states and 2715 transitions. [2023-12-25 13:52:45,190 INFO L78 Accepts]: Start accepts. Automaton has 1641 states and 2715 transitions. Word has length 709 [2023-12-25 13:52:45,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:52:45,191 INFO L495 AbstractCegarLoop]: Abstraction has 1641 states and 2715 transitions. [2023-12-25 13:52:45,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 129.4) internal successors, (647), 5 states have internal predecessors, (647), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:52:45,192 INFO L276 IsEmpty]: Start isEmpty. Operand 1641 states and 2715 transitions. [2023-12-25 13:52:45,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 711 [2023-12-25 13:52:45,198 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:52:45,198 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:52:45,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-25 13:52:45,199 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:52:45,199 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:52:45,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1699046615, now seen corresponding path program 1 times [2023-12-25 13:52:45,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:52:45,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280322999] [2023-12-25 13:52:45,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:52:45,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:52:45,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:46,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:52:46,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:46,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:52:46,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:46,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:52:46,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:46,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:52:46,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:46,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 13:52:46,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:46,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2023-12-25 13:52:46,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:46,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-12-25 13:52:46,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:46,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-12-25 13:52:46,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:46,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 13:52:46,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:46,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2023-12-25 13:52:46,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:46,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2023-12-25 13:52:46,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:46,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2023-12-25 13:52:46,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:46,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2023-12-25 13:52:46,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:46,323 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:52:46,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:52:46,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280322999] [2023-12-25 13:52:46,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280322999] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:52:46,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:52:46,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:52:46,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027037764] [2023-12-25 13:52:46,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:52:46,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:52:46,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:52:46,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:52:46,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:52:46,327 INFO L87 Difference]: Start difference. First operand 1641 states and 2715 transitions. Second operand has 5 states, 5 states have (on average 129.6) internal successors, (648), 5 states have internal predecessors, (648), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:52:46,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:52:46,699 INFO L93 Difference]: Finished difference Result 3026 states and 5004 transitions. [2023-12-25 13:52:46,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:52:46,700 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 129.6) internal successors, (648), 5 states have internal predecessors, (648), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 710 [2023-12-25 13:52:46,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:52:46,706 INFO L225 Difference]: With dead ends: 3026 [2023-12-25 13:52:46,706 INFO L226 Difference]: Without dead ends: 1641 [2023-12-25 13:52:46,708 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:52:46,709 INFO L413 NwaCegarLoop]: 2570 mSDtfsCounter, 2597 mSDsluCounter, 2588 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2610 SdHoareTripleChecker+Valid, 5158 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:52:46,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2610 Valid, 5158 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 13:52:46,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1641 states. [2023-12-25 13:52:46,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1641 to 1641. [2023-12-25 13:52:46,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1641 states, 1626 states have (on average 1.6531365313653137) internal successors, (2688), 1626 states have internal predecessors, (2688), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:52:46,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1641 states to 1641 states and 2714 transitions. [2023-12-25 13:52:46,754 INFO L78 Accepts]: Start accepts. Automaton has 1641 states and 2714 transitions. Word has length 710 [2023-12-25 13:52:46,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:52:46,754 INFO L495 AbstractCegarLoop]: Abstraction has 1641 states and 2714 transitions. [2023-12-25 13:52:46,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 129.6) internal successors, (648), 5 states have internal predecessors, (648), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:52:46,755 INFO L276 IsEmpty]: Start isEmpty. Operand 1641 states and 2714 transitions. [2023-12-25 13:52:46,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 712 [2023-12-25 13:52:46,762 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:52:46,762 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:52:46,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-25 13:52:46,763 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:52:46,763 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:52:46,763 INFO L85 PathProgramCache]: Analyzing trace with hash -1248220229, now seen corresponding path program 1 times [2023-12-25 13:52:46,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:52:46,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016232259] [2023-12-25 13:52:46,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:52:46,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:52:47,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:47,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:52:47,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:47,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:52:47,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:47,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:52:47,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:47,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:52:47,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:47,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 13:52:47,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:47,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2023-12-25 13:52:47,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:47,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-12-25 13:52:47,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:47,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-12-25 13:52:47,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:47,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 13:52:47,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:47,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2023-12-25 13:52:47,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:47,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2023-12-25 13:52:47,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:47,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2023-12-25 13:52:47,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:47,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2023-12-25 13:52:47,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:47,928 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:52:47,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:52:47,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016232259] [2023-12-25 13:52:47,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016232259] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:52:47,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:52:47,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:52:47,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132055739] [2023-12-25 13:52:47,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:52:47,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:52:47,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:52:47,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:52:47,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:52:47,931 INFO L87 Difference]: Start difference. First operand 1641 states and 2714 transitions. Second operand has 5 states, 5 states have (on average 129.8) internal successors, (649), 5 states have internal predecessors, (649), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:52:48,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:52:48,269 INFO L93 Difference]: Finished difference Result 3026 states and 5002 transitions. [2023-12-25 13:52:48,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:52:48,270 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 129.8) internal successors, (649), 5 states have internal predecessors, (649), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 711 [2023-12-25 13:52:48,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:52:48,278 INFO L225 Difference]: With dead ends: 3026 [2023-12-25 13:52:48,278 INFO L226 Difference]: Without dead ends: 1641 [2023-12-25 13:52:48,280 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:52:48,281 INFO L413 NwaCegarLoop]: 2570 mSDtfsCounter, 4727 mSDsluCounter, 2572 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4740 SdHoareTripleChecker+Valid, 5142 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:52:48,282 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4740 Valid, 5142 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 13:52:48,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1641 states. [2023-12-25 13:52:48,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1641 to 1641. [2023-12-25 13:52:48,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1641 states, 1626 states have (on average 1.652521525215252) internal successors, (2687), 1626 states have internal predecessors, (2687), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:52:48,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1641 states to 1641 states and 2713 transitions. [2023-12-25 13:52:48,321 INFO L78 Accepts]: Start accepts. Automaton has 1641 states and 2713 transitions. Word has length 711 [2023-12-25 13:52:48,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:52:48,322 INFO L495 AbstractCegarLoop]: Abstraction has 1641 states and 2713 transitions. [2023-12-25 13:52:48,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 129.8) internal successors, (649), 5 states have internal predecessors, (649), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:52:48,323 INFO L276 IsEmpty]: Start isEmpty. Operand 1641 states and 2713 transitions. [2023-12-25 13:52:48,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 713 [2023-12-25 13:52:48,331 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:52:48,331 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:52:48,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-25 13:52:48,332 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:52:48,332 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:52:48,332 INFO L85 PathProgramCache]: Analyzing trace with hash -298156881, now seen corresponding path program 1 times [2023-12-25 13:52:48,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:52:48,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871305218] [2023-12-25 13:52:48,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:52:48,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:52:48,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:49,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:52:49,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:49,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:52:49,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:49,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:52:49,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:49,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:52:49,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:49,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 13:52:49,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:49,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2023-12-25 13:52:49,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:49,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-12-25 13:52:49,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:49,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-12-25 13:52:49,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:49,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 13:52:49,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:49,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2023-12-25 13:52:49,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:49,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2023-12-25 13:52:49,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:49,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2023-12-25 13:52:49,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:49,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2023-12-25 13:52:49,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:49,374 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:52:49,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:52:49,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871305218] [2023-12-25 13:52:49,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871305218] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:52:49,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:52:49,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:52:49,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133184969] [2023-12-25 13:52:49,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:52:49,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:52:49,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:52:49,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:52:49,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:52:49,378 INFO L87 Difference]: Start difference. First operand 1641 states and 2713 transitions. Second operand has 5 states, 5 states have (on average 130.0) internal successors, (650), 5 states have internal predecessors, (650), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:52:49,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:52:49,685 INFO L93 Difference]: Finished difference Result 3026 states and 5000 transitions. [2023-12-25 13:52:49,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:52:49,686 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 130.0) internal successors, (650), 5 states have internal predecessors, (650), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 712 [2023-12-25 13:52:49,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:52:49,695 INFO L225 Difference]: With dead ends: 3026 [2023-12-25 13:52:49,695 INFO L226 Difference]: Without dead ends: 1641 [2023-12-25 13:52:49,697 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:52:49,698 INFO L413 NwaCegarLoop]: 2570 mSDtfsCounter, 4713 mSDsluCounter, 2572 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4726 SdHoareTripleChecker+Valid, 5142 SdHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:52:49,698 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4726 Valid, 5142 Invalid, 295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:52:49,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1641 states. [2023-12-25 13:52:49,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1641 to 1641. [2023-12-25 13:52:49,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1641 states, 1626 states have (on average 1.6519065190651907) internal successors, (2686), 1626 states have internal predecessors, (2686), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:52:49,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1641 states to 1641 states and 2712 transitions. [2023-12-25 13:52:49,728 INFO L78 Accepts]: Start accepts. Automaton has 1641 states and 2712 transitions. Word has length 712 [2023-12-25 13:52:49,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:52:49,729 INFO L495 AbstractCegarLoop]: Abstraction has 1641 states and 2712 transitions. [2023-12-25 13:52:49,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 130.0) internal successors, (650), 5 states have internal predecessors, (650), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:52:49,729 INFO L276 IsEmpty]: Start isEmpty. Operand 1641 states and 2712 transitions. [2023-12-25 13:52:49,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 714 [2023-12-25 13:52:49,735 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:52:49,735 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:52:49,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-25 13:52:49,736 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:52:49,736 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:52:49,736 INFO L85 PathProgramCache]: Analyzing trace with hash -1849740293, now seen corresponding path program 1 times [2023-12-25 13:52:49,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:52:49,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711103252] [2023-12-25 13:52:49,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:52:49,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:52:49,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:50,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:52:50,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:50,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:52:50,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:50,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:52:50,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:50,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:52:50,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:50,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 13:52:50,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:50,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2023-12-25 13:52:50,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:50,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-12-25 13:52:50,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:50,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-12-25 13:52:50,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:50,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 13:52:50,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:50,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2023-12-25 13:52:50,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:50,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2023-12-25 13:52:50,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:50,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2023-12-25 13:52:50,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:50,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2023-12-25 13:52:50,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:50,718 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:52:50,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:52:50,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711103252] [2023-12-25 13:52:50,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711103252] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:52:50,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:52:50,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:52:50,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253175777] [2023-12-25 13:52:50,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:52:50,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:52:50,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:52:50,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:52:50,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:52:50,722 INFO L87 Difference]: Start difference. First operand 1641 states and 2712 transitions. Second operand has 5 states, 5 states have (on average 130.2) internal successors, (651), 5 states have internal predecessors, (651), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:52:51,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:52:51,044 INFO L93 Difference]: Finished difference Result 3026 states and 4998 transitions. [2023-12-25 13:52:51,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:52:51,045 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 130.2) internal successors, (651), 5 states have internal predecessors, (651), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 713 [2023-12-25 13:52:51,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:52:51,051 INFO L225 Difference]: With dead ends: 3026 [2023-12-25 13:52:51,051 INFO L226 Difference]: Without dead ends: 1641 [2023-12-25 13:52:51,053 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:52:51,053 INFO L413 NwaCegarLoop]: 2570 mSDtfsCounter, 4705 mSDsluCounter, 2572 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4718 SdHoareTripleChecker+Valid, 5142 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:52:51,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4718 Valid, 5142 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 13:52:51,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1641 states. [2023-12-25 13:52:51,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1641 to 1641. [2023-12-25 13:52:51,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1641 states, 1626 states have (on average 1.651291512915129) internal successors, (2685), 1626 states have internal predecessors, (2685), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:52:51,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1641 states to 1641 states and 2711 transitions. [2023-12-25 13:52:51,082 INFO L78 Accepts]: Start accepts. Automaton has 1641 states and 2711 transitions. Word has length 713 [2023-12-25 13:52:51,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:52:51,083 INFO L495 AbstractCegarLoop]: Abstraction has 1641 states and 2711 transitions. [2023-12-25 13:52:51,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 130.2) internal successors, (651), 5 states have internal predecessors, (651), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:52:51,084 INFO L276 IsEmpty]: Start isEmpty. Operand 1641 states and 2711 transitions. [2023-12-25 13:52:51,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 715 [2023-12-25 13:52:51,089 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:52:51,089 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:52:51,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-25 13:52:51,090 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:52:51,090 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:52:51,090 INFO L85 PathProgramCache]: Analyzing trace with hash -909733623, now seen corresponding path program 1 times [2023-12-25 13:52:51,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:52:51,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908379649] [2023-12-25 13:52:51,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:52:51,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:52:51,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:52,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:52:52,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:52,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:52:52,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:52,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:52:52,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:52,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:52:52,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:52,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 13:52:52,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:52,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2023-12-25 13:52:52,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:52,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-12-25 13:52:52,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:52,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-12-25 13:52:52,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:52,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 13:52:52,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:52,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2023-12-25 13:52:52,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:52,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2023-12-25 13:52:52,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:52,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2023-12-25 13:52:52,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:52,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2023-12-25 13:52:52,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:52,096 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:52:52,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:52:52,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908379649] [2023-12-25 13:52:52,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908379649] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:52:52,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:52:52,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:52:52,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636610994] [2023-12-25 13:52:52,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:52:52,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:52:52,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:52:52,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:52:52,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:52:52,099 INFO L87 Difference]: Start difference. First operand 1641 states and 2711 transitions. Second operand has 5 states, 5 states have (on average 130.4) internal successors, (652), 5 states have internal predecessors, (652), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:52:52,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:52:52,392 INFO L93 Difference]: Finished difference Result 3026 states and 4996 transitions. [2023-12-25 13:52:52,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:52:52,393 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 130.4) internal successors, (652), 5 states have internal predecessors, (652), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 714 [2023-12-25 13:52:52,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:52:52,399 INFO L225 Difference]: With dead ends: 3026 [2023-12-25 13:52:52,399 INFO L226 Difference]: Without dead ends: 1641 [2023-12-25 13:52:52,401 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:52:52,401 INFO L413 NwaCegarLoop]: 2570 mSDtfsCounter, 2438 mSDsluCounter, 2588 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2451 SdHoareTripleChecker+Valid, 5158 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:52:52,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2451 Valid, 5158 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:52:52,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1641 states. [2023-12-25 13:52:52,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1641 to 1641. [2023-12-25 13:52:52,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1641 states, 1626 states have (on average 1.6506765067650677) internal successors, (2684), 1626 states have internal predecessors, (2684), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:52:52,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1641 states to 1641 states and 2710 transitions. [2023-12-25 13:52:52,427 INFO L78 Accepts]: Start accepts. Automaton has 1641 states and 2710 transitions. Word has length 714 [2023-12-25 13:52:52,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:52:52,428 INFO L495 AbstractCegarLoop]: Abstraction has 1641 states and 2710 transitions. [2023-12-25 13:52:52,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 130.4) internal successors, (652), 5 states have internal predecessors, (652), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:52:52,428 INFO L276 IsEmpty]: Start isEmpty. Operand 1641 states and 2710 transitions. [2023-12-25 13:52:52,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 716 [2023-12-25 13:52:52,434 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:52:52,434 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:52:52,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-25 13:52:52,434 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:52:52,435 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:52:52,435 INFO L85 PathProgramCache]: Analyzing trace with hash 721130851, now seen corresponding path program 1 times [2023-12-25 13:52:52,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:52:52,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736150446] [2023-12-25 13:52:52,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:52:52,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:52:52,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:53,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:52:53,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:53,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:52:53,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:53,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:52:53,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:53,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:52:53,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:53,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 13:52:53,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:53,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2023-12-25 13:52:53,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:53,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-12-25 13:52:53,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:53,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-12-25 13:52:53,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:53,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 13:52:53,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:53,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2023-12-25 13:52:53,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:53,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2023-12-25 13:52:53,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:53,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2023-12-25 13:52:53,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:53,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2023-12-25 13:52:53,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:53,319 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:52:53,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:52:53,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736150446] [2023-12-25 13:52:53,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736150446] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:52:53,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:52:53,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:52:53,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023793639] [2023-12-25 13:52:53,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:52:53,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:52:53,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:52:53,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:52:53,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:52:53,322 INFO L87 Difference]: Start difference. First operand 1641 states and 2710 transitions. Second operand has 5 states, 5 states have (on average 130.6) internal successors, (653), 5 states have internal predecessors, (653), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:52:53,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:52:53,607 INFO L93 Difference]: Finished difference Result 3026 states and 4994 transitions. [2023-12-25 13:52:53,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:52:53,608 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 130.6) internal successors, (653), 5 states have internal predecessors, (653), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 715 [2023-12-25 13:52:53,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:52:53,625 INFO L225 Difference]: With dead ends: 3026 [2023-12-25 13:52:53,625 INFO L226 Difference]: Without dead ends: 1641 [2023-12-25 13:52:53,627 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:52:53,627 INFO L413 NwaCegarLoop]: 2570 mSDtfsCounter, 4549 mSDsluCounter, 2572 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4562 SdHoareTripleChecker+Valid, 5142 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:52:53,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4562 Valid, 5142 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:52:53,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1641 states. [2023-12-25 13:52:53,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1641 to 1641. [2023-12-25 13:52:53,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1641 states, 1626 states have (on average 1.6500615006150061) internal successors, (2683), 1626 states have internal predecessors, (2683), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:52:53,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1641 states to 1641 states and 2709 transitions. [2023-12-25 13:52:53,653 INFO L78 Accepts]: Start accepts. Automaton has 1641 states and 2709 transitions. Word has length 715 [2023-12-25 13:52:53,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:52:53,654 INFO L495 AbstractCegarLoop]: Abstraction has 1641 states and 2709 transitions. [2023-12-25 13:52:53,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 130.6) internal successors, (653), 5 states have internal predecessors, (653), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:52:53,655 INFO L276 IsEmpty]: Start isEmpty. Operand 1641 states and 2709 transitions. [2023-12-25 13:52:53,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 717 [2023-12-25 13:52:53,660 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:52:53,660 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:52:53,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-25 13:52:53,661 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:52:53,661 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:52:53,661 INFO L85 PathProgramCache]: Analyzing trace with hash 695795619, now seen corresponding path program 1 times [2023-12-25 13:52:53,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:52:53,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025044063] [2023-12-25 13:52:53,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:52:53,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:52:53,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:54,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:52:54,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:54,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:52:54,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:54,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:52:54,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:54,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:52:54,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:54,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 13:52:54,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:54,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2023-12-25 13:52:54,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:54,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-12-25 13:52:54,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:54,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-12-25 13:52:54,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:54,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 13:52:54,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:54,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2023-12-25 13:52:54,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:54,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2023-12-25 13:52:54,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:54,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2023-12-25 13:52:54,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:54,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2023-12-25 13:52:54,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:54,553 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:52:54,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:52:54,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025044063] [2023-12-25 13:52:54,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025044063] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:52:54,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:52:54,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:52:54,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072002974] [2023-12-25 13:52:54,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:52:54,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:52:54,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:52:54,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:52:54,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:52:54,556 INFO L87 Difference]: Start difference. First operand 1641 states and 2709 transitions. Second operand has 5 states, 5 states have (on average 130.8) internal successors, (654), 5 states have internal predecessors, (654), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:52:54,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:52:54,842 INFO L93 Difference]: Finished difference Result 3026 states and 4992 transitions. [2023-12-25 13:52:54,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:52:54,843 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 130.8) internal successors, (654), 5 states have internal predecessors, (654), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 716 [2023-12-25 13:52:54,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:52:54,847 INFO L225 Difference]: With dead ends: 3026 [2023-12-25 13:52:54,847 INFO L226 Difference]: Without dead ends: 1641 [2023-12-25 13:52:54,849 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:52:54,849 INFO L413 NwaCegarLoop]: 2570 mSDtfsCounter, 2430 mSDsluCounter, 2588 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2443 SdHoareTripleChecker+Valid, 5158 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:52:54,849 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2443 Valid, 5158 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:52:54,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1641 states. [2023-12-25 13:52:54,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1641 to 1641. [2023-12-25 13:52:54,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1641 states, 1626 states have (on average 1.6494464944649447) internal successors, (2682), 1626 states have internal predecessors, (2682), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:52:54,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1641 states to 1641 states and 2708 transitions. [2023-12-25 13:52:54,875 INFO L78 Accepts]: Start accepts. Automaton has 1641 states and 2708 transitions. Word has length 716 [2023-12-25 13:52:54,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:52:54,876 INFO L495 AbstractCegarLoop]: Abstraction has 1641 states and 2708 transitions. [2023-12-25 13:52:54,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 130.8) internal successors, (654), 5 states have internal predecessors, (654), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:52:54,876 INFO L276 IsEmpty]: Start isEmpty. Operand 1641 states and 2708 transitions. [2023-12-25 13:52:54,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 718 [2023-12-25 13:52:54,882 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:52:54,882 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:52:54,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-25 13:52:54,882 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:52:54,883 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:52:54,883 INFO L85 PathProgramCache]: Analyzing trace with hash -642789571, now seen corresponding path program 1 times [2023-12-25 13:52:54,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:52:54,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415555318] [2023-12-25 13:52:54,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:52:54,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:52:55,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:55,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:52:55,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:55,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:52:55,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:55,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:52:55,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:55,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:52:55,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:55,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 13:52:55,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:55,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2023-12-25 13:52:55,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:55,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-12-25 13:52:55,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:55,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-12-25 13:52:55,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:55,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 13:52:55,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:55,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2023-12-25 13:52:55,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:55,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2023-12-25 13:52:55,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:55,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2023-12-25 13:52:55,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:55,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2023-12-25 13:52:55,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:55,731 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:52:55,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:52:55,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415555318] [2023-12-25 13:52:55,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415555318] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:52:55,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:52:55,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:52:55,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378711306] [2023-12-25 13:52:55,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:52:55,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:52:55,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:52:55,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:52:55,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:52:55,734 INFO L87 Difference]: Start difference. First operand 1641 states and 2708 transitions. Second operand has 5 states, 5 states have (on average 131.0) internal successors, (655), 5 states have internal predecessors, (655), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:52:56,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:52:56,042 INFO L93 Difference]: Finished difference Result 3026 states and 4990 transitions. [2023-12-25 13:52:56,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:52:56,043 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 131.0) internal successors, (655), 5 states have internal predecessors, (655), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 717 [2023-12-25 13:52:56,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:52:56,047 INFO L225 Difference]: With dead ends: 3026 [2023-12-25 13:52:56,047 INFO L226 Difference]: Without dead ends: 1641 [2023-12-25 13:52:56,049 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:52:56,049 INFO L413 NwaCegarLoop]: 2570 mSDtfsCounter, 2426 mSDsluCounter, 2588 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2439 SdHoareTripleChecker+Valid, 5158 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:52:56,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2439 Valid, 5158 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 13:52:56,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1641 states. [2023-12-25 13:52:56,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1641 to 1641. [2023-12-25 13:52:56,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1641 states, 1626 states have (on average 1.6488314883148831) internal successors, (2681), 1626 states have internal predecessors, (2681), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:52:56,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1641 states to 1641 states and 2707 transitions. [2023-12-25 13:52:56,078 INFO L78 Accepts]: Start accepts. Automaton has 1641 states and 2707 transitions. Word has length 717 [2023-12-25 13:52:56,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:52:56,079 INFO L495 AbstractCegarLoop]: Abstraction has 1641 states and 2707 transitions. [2023-12-25 13:52:56,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 131.0) internal successors, (655), 5 states have internal predecessors, (655), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:52:56,079 INFO L276 IsEmpty]: Start isEmpty. Operand 1641 states and 2707 transitions. [2023-12-25 13:52:56,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 719 [2023-12-25 13:52:56,085 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:52:56,085 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:52:56,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-25 13:52:56,086 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:52:56,086 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:52:56,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1413518141, now seen corresponding path program 1 times [2023-12-25 13:52:56,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:52:56,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894533782] [2023-12-25 13:52:56,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:52:56,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:52:56,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:57,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:52:57,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:57,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:52:57,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:57,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:52:57,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:57,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:52:57,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:57,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 13:52:57,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:57,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2023-12-25 13:52:57,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:57,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-12-25 13:52:57,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:57,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-12-25 13:52:57,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:57,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 13:52:57,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:57,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2023-12-25 13:52:57,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:57,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2023-12-25 13:52:57,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:57,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2023-12-25 13:52:57,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:57,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2023-12-25 13:52:57,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:57,481 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:52:57,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:52:57,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894533782] [2023-12-25 13:52:57,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894533782] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:52:57,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:52:57,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 13:52:57,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113297031] [2023-12-25 13:52:57,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:52:57,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 13:52:57,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:52:57,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 13:52:57,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 13:52:57,484 INFO L87 Difference]: Start difference. First operand 1641 states and 2707 transitions. Second operand has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:52:57,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:52:57,690 INFO L93 Difference]: Finished difference Result 3026 states and 4988 transitions. [2023-12-25 13:52:57,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:52:57,691 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 718 [2023-12-25 13:52:57,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:52:57,694 INFO L225 Difference]: With dead ends: 3026 [2023-12-25 13:52:57,694 INFO L226 Difference]: Without dead ends: 1641 [2023-12-25 13:52:57,696 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:52:57,696 INFO L413 NwaCegarLoop]: 2613 mSDtfsCounter, 2122 mSDsluCounter, 2615 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2122 SdHoareTripleChecker+Valid, 5228 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:52:57,696 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2122 Valid, 5228 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:52:57,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1641 states. [2023-12-25 13:52:57,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1641 to 1641. [2023-12-25 13:52:57,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1641 states, 1626 states have (on average 1.6482164821648218) internal successors, (2680), 1626 states have internal predecessors, (2680), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:52:57,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1641 states to 1641 states and 2706 transitions. [2023-12-25 13:52:57,722 INFO L78 Accepts]: Start accepts. Automaton has 1641 states and 2706 transitions. Word has length 718 [2023-12-25 13:52:57,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:52:57,726 INFO L495 AbstractCegarLoop]: Abstraction has 1641 states and 2706 transitions. [2023-12-25 13:52:57,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:52:57,727 INFO L276 IsEmpty]: Start isEmpty. Operand 1641 states and 2706 transitions. [2023-12-25 13:52:57,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 720 [2023-12-25 13:52:57,732 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:52:57,733 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:52:57,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-25 13:52:57,733 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:52:57,733 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:52:57,734 INFO L85 PathProgramCache]: Analyzing trace with hash -1041401501, now seen corresponding path program 1 times [2023-12-25 13:52:57,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:52:57,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257374480] [2023-12-25 13:52:57,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:52:57,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:52:58,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:58,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:52:58,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:58,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:52:58,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:58,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:52:58,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:58,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:52:58,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:58,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 13:52:58,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:58,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2023-12-25 13:52:58,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:58,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-12-25 13:52:58,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:58,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-12-25 13:52:58,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:58,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 13:52:58,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:58,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2023-12-25 13:52:58,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:58,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2023-12-25 13:52:58,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:58,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2023-12-25 13:52:58,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:58,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2023-12-25 13:52:58,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:52:58,870 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:52:58,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:52:58,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257374480] [2023-12-25 13:52:58,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257374480] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:52:58,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:52:58,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:52:58,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348216971] [2023-12-25 13:52:58,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:52:58,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:52:58,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:52:58,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:52:58,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:52:58,874 INFO L87 Difference]: Start difference. First operand 1641 states and 2706 transitions. Second operand has 5 states, 5 states have (on average 131.4) internal successors, (657), 5 states have internal predecessors, (657), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:52:59,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:52:59,089 INFO L93 Difference]: Finished difference Result 3368 states and 5540 transitions. [2023-12-25 13:52:59,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 13:52:59,090 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 131.4) internal successors, (657), 5 states have internal predecessors, (657), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 719 [2023-12-25 13:52:59,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:52:59,094 INFO L225 Difference]: With dead ends: 3368 [2023-12-25 13:52:59,094 INFO L226 Difference]: Without dead ends: 1641 [2023-12-25 13:52:59,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-25 13:52:59,096 INFO L413 NwaCegarLoop]: 2684 mSDtfsCounter, 3214 mSDsluCounter, 5312 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3214 SdHoareTripleChecker+Valid, 7996 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:52:59,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3214 Valid, 7996 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:52:59,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1641 states. [2023-12-25 13:52:59,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1641 to 1641. [2023-12-25 13:52:59,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1641 states, 1626 states have (on average 1.6476014760147601) internal successors, (2679), 1626 states have internal predecessors, (2679), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:52:59,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1641 states to 1641 states and 2705 transitions. [2023-12-25 13:52:59,121 INFO L78 Accepts]: Start accepts. Automaton has 1641 states and 2705 transitions. Word has length 719 [2023-12-25 13:52:59,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:52:59,122 INFO L495 AbstractCegarLoop]: Abstraction has 1641 states and 2705 transitions. [2023-12-25 13:52:59,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 131.4) internal successors, (657), 5 states have internal predecessors, (657), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:52:59,122 INFO L276 IsEmpty]: Start isEmpty. Operand 1641 states and 2705 transitions. [2023-12-25 13:52:59,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 721 [2023-12-25 13:52:59,128 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:52:59,128 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:52:59,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-25 13:52:59,129 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:52:59,129 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:52:59,129 INFO L85 PathProgramCache]: Analyzing trace with hash -854217305, now seen corresponding path program 1 times [2023-12-25 13:52:59,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:52:59,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360579417] [2023-12-25 13:52:59,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:52:59,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:52:59,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:00,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:53:00,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:00,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:53:00,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:00,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:53:00,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:00,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:53:00,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:00,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 13:53:00,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:00,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2023-12-25 13:53:00,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:00,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-12-25 13:53:00,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:00,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-12-25 13:53:00,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:00,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 13:53:00,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:00,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2023-12-25 13:53:00,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:00,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2023-12-25 13:53:00,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:00,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2023-12-25 13:53:00,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:00,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2023-12-25 13:53:00,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:00,123 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:53:00,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:53:00,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360579417] [2023-12-25 13:53:00,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360579417] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:53:00,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:53:00,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:53:00,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702825527] [2023-12-25 13:53:00,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:53:00,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:53:00,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:53:00,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:53:00,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:53:00,126 INFO L87 Difference]: Start difference. First operand 1641 states and 2705 transitions. Second operand has 5 states, 5 states have (on average 131.6) internal successors, (658), 5 states have internal predecessors, (658), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:53:00,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:53:00,338 INFO L93 Difference]: Finished difference Result 3026 states and 4984 transitions. [2023-12-25 13:53:00,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:53:00,339 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 131.6) internal successors, (658), 5 states have internal predecessors, (658), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 720 [2023-12-25 13:53:00,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:53:00,342 INFO L225 Difference]: With dead ends: 3026 [2023-12-25 13:53:00,342 INFO L226 Difference]: Without dead ends: 1641 [2023-12-25 13:53:00,344 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:53:00,344 INFO L413 NwaCegarLoop]: 2613 mSDtfsCounter, 2675 mSDsluCounter, 2631 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2688 SdHoareTripleChecker+Valid, 5244 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:53:00,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2688 Valid, 5244 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:53:00,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1641 states. [2023-12-25 13:53:00,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1641 to 1641. [2023-12-25 13:53:00,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1641 states, 1626 states have (on average 1.6469864698646985) internal successors, (2678), 1626 states have internal predecessors, (2678), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:53:00,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1641 states to 1641 states and 2704 transitions. [2023-12-25 13:53:00,371 INFO L78 Accepts]: Start accepts. Automaton has 1641 states and 2704 transitions. Word has length 720 [2023-12-25 13:53:00,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:53:00,372 INFO L495 AbstractCegarLoop]: Abstraction has 1641 states and 2704 transitions. [2023-12-25 13:53:00,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 131.6) internal successors, (658), 5 states have internal predecessors, (658), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:53:00,372 INFO L276 IsEmpty]: Start isEmpty. Operand 1641 states and 2704 transitions. [2023-12-25 13:53:00,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 722 [2023-12-25 13:53:00,378 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:53:00,378 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:53:00,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-25 13:53:00,378 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:53:00,379 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:53:00,379 INFO L85 PathProgramCache]: Analyzing trace with hash -808285367, now seen corresponding path program 1 times [2023-12-25 13:53:00,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:53:00,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752991906] [2023-12-25 13:53:00,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:53:00,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:53:00,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:01,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:53:01,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:01,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:53:01,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:01,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:53:01,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:01,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:53:01,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:01,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 13:53:01,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:01,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2023-12-25 13:53:01,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:01,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-12-25 13:53:01,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:01,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-12-25 13:53:01,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:01,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 13:53:01,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:01,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2023-12-25 13:53:01,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:01,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2023-12-25 13:53:01,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:01,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2023-12-25 13:53:01,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:01,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2023-12-25 13:53:01,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:01,282 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:53:01,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:53:01,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752991906] [2023-12-25 13:53:01,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752991906] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:53:01,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:53:01,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:53:01,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404805152] [2023-12-25 13:53:01,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:53:01,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:53:01,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:53:01,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:53:01,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:53:01,285 INFO L87 Difference]: Start difference. First operand 1641 states and 2704 transitions. Second operand has 5 states, 5 states have (on average 131.8) internal successors, (659), 5 states have internal predecessors, (659), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:53:01,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:53:01,500 INFO L93 Difference]: Finished difference Result 3026 states and 4982 transitions. [2023-12-25 13:53:01,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:53:01,501 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 131.8) internal successors, (659), 5 states have internal predecessors, (659), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 721 [2023-12-25 13:53:01,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:53:01,504 INFO L225 Difference]: With dead ends: 3026 [2023-12-25 13:53:01,504 INFO L226 Difference]: Without dead ends: 1641 [2023-12-25 13:53:01,506 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:53:01,506 INFO L413 NwaCegarLoop]: 2613 mSDtfsCounter, 2593 mSDsluCounter, 2631 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2606 SdHoareTripleChecker+Valid, 5244 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:53:01,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2606 Valid, 5244 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:53:01,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1641 states. [2023-12-25 13:53:01,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1641 to 1641. [2023-12-25 13:53:01,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1641 states, 1626 states have (on average 1.6463714637146372) internal successors, (2677), 1626 states have internal predecessors, (2677), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:53:01,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1641 states to 1641 states and 2703 transitions. [2023-12-25 13:53:01,529 INFO L78 Accepts]: Start accepts. Automaton has 1641 states and 2703 transitions. Word has length 721 [2023-12-25 13:53:01,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:53:01,529 INFO L495 AbstractCegarLoop]: Abstraction has 1641 states and 2703 transitions. [2023-12-25 13:53:01,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 131.8) internal successors, (659), 5 states have internal predecessors, (659), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:53:01,530 INFO L276 IsEmpty]: Start isEmpty. Operand 1641 states and 2703 transitions. [2023-12-25 13:53:01,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 723 [2023-12-25 13:53:01,535 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:53:01,535 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:53:01,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-12-25 13:53:01,536 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:53:01,536 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:53:01,536 INFO L85 PathProgramCache]: Analyzing trace with hash 413832051, now seen corresponding path program 1 times [2023-12-25 13:53:01,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:53:01,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893268209] [2023-12-25 13:53:01,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:53:01,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:53:01,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:02,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:53:02,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:02,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:53:02,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:02,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:53:02,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:02,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:53:02,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:02,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 13:53:02,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:02,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2023-12-25 13:53:02,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:02,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-12-25 13:53:02,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:02,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-12-25 13:53:02,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:02,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 13:53:02,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:02,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2023-12-25 13:53:02,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:02,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2023-12-25 13:53:02,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:02,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2023-12-25 13:53:02,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:02,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2023-12-25 13:53:02,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:02,682 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:53:02,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:53:02,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893268209] [2023-12-25 13:53:02,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893268209] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:53:02,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:53:02,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:53:02,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940656614] [2023-12-25 13:53:02,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:53:02,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:53:02,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:53:02,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:53:02,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:53:02,687 INFO L87 Difference]: Start difference. First operand 1641 states and 2703 transitions. Second operand has 5 states, 5 states have (on average 132.0) internal successors, (660), 5 states have internal predecessors, (660), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:53:02,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:53:02,895 INFO L93 Difference]: Finished difference Result 3026 states and 4980 transitions. [2023-12-25 13:53:02,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:53:02,895 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 132.0) internal successors, (660), 5 states have internal predecessors, (660), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 722 [2023-12-25 13:53:02,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:53:02,901 INFO L225 Difference]: With dead ends: 3026 [2023-12-25 13:53:02,901 INFO L226 Difference]: Without dead ends: 1641 [2023-12-25 13:53:02,902 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:53:02,903 INFO L413 NwaCegarLoop]: 2613 mSDtfsCounter, 4863 mSDsluCounter, 2615 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4876 SdHoareTripleChecker+Valid, 5228 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:53:02,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4876 Valid, 5228 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:53:02,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1641 states. [2023-12-25 13:53:02,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1641 to 1641. [2023-12-25 13:53:02,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1641 states, 1626 states have (on average 1.6457564575645756) internal successors, (2676), 1626 states have internal predecessors, (2676), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:53:02,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1641 states to 1641 states and 2702 transitions. [2023-12-25 13:53:02,931 INFO L78 Accepts]: Start accepts. Automaton has 1641 states and 2702 transitions. Word has length 722 [2023-12-25 13:53:02,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:53:02,932 INFO L495 AbstractCegarLoop]: Abstraction has 1641 states and 2702 transitions. [2023-12-25 13:53:02,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 132.0) internal successors, (660), 5 states have internal predecessors, (660), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:53:02,933 INFO L276 IsEmpty]: Start isEmpty. Operand 1641 states and 2702 transitions. [2023-12-25 13:53:02,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 724 [2023-12-25 13:53:02,938 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:53:02,938 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:53:02,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-12-25 13:53:02,938 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:53:02,939 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:53:02,939 INFO L85 PathProgramCache]: Analyzing trace with hash -1691748497, now seen corresponding path program 1 times [2023-12-25 13:53:02,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:53:02,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431923224] [2023-12-25 13:53:02,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:53:02,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:53:03,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:03,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:53:03,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:03,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:53:03,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:03,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:53:03,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:03,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:53:03,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:03,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 13:53:03,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:03,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2023-12-25 13:53:03,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:03,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-12-25 13:53:03,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:03,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-12-25 13:53:03,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:03,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 13:53:03,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:03,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2023-12-25 13:53:03,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:03,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2023-12-25 13:53:03,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:03,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2023-12-25 13:53:03,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:03,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2023-12-25 13:53:03,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:03,995 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:53:03,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:53:03,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431923224] [2023-12-25 13:53:03,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431923224] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:53:03,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:53:03,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:53:03,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131715237] [2023-12-25 13:53:03,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:53:03,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:53:03,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:53:03,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:53:03,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:53:03,997 INFO L87 Difference]: Start difference. First operand 1641 states and 2702 transitions. Second operand has 5 states, 5 states have (on average 132.2) internal successors, (661), 5 states have internal predecessors, (661), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:53:04,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:53:04,218 INFO L93 Difference]: Finished difference Result 3026 states and 4978 transitions. [2023-12-25 13:53:04,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:53:04,219 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 132.2) internal successors, (661), 5 states have internal predecessors, (661), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 723 [2023-12-25 13:53:04,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:53:04,222 INFO L225 Difference]: With dead ends: 3026 [2023-12-25 13:53:04,222 INFO L226 Difference]: Without dead ends: 1641 [2023-12-25 13:53:04,224 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:53:04,224 INFO L413 NwaCegarLoop]: 2613 mSDtfsCounter, 4699 mSDsluCounter, 2615 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4712 SdHoareTripleChecker+Valid, 5228 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:53:04,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4712 Valid, 5228 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:53:04,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1641 states. [2023-12-25 13:53:04,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1641 to 1641. [2023-12-25 13:53:04,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1641 states, 1626 states have (on average 1.6451414514145142) internal successors, (2675), 1626 states have internal predecessors, (2675), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:53:04,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1641 states to 1641 states and 2701 transitions. [2023-12-25 13:53:04,250 INFO L78 Accepts]: Start accepts. Automaton has 1641 states and 2701 transitions. Word has length 723 [2023-12-25 13:53:04,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:53:04,251 INFO L495 AbstractCegarLoop]: Abstraction has 1641 states and 2701 transitions. [2023-12-25 13:53:04,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 132.2) internal successors, (661), 5 states have internal predecessors, (661), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:53:04,251 INFO L276 IsEmpty]: Start isEmpty. Operand 1641 states and 2701 transitions. [2023-12-25 13:53:04,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 725 [2023-12-25 13:53:04,257 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:53:04,257 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:53:04,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-12-25 13:53:04,257 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:53:04,258 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:53:04,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1380200319, now seen corresponding path program 1 times [2023-12-25 13:53:04,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:53:04,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259266772] [2023-12-25 13:53:04,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:53:04,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:53:04,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:05,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:53:05,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:05,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:53:05,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:05,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:53:05,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:05,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:53:05,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:05,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 13:53:05,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:05,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2023-12-25 13:53:05,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:05,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-12-25 13:53:05,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:05,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-12-25 13:53:05,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:05,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 13:53:05,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:05,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2023-12-25 13:53:05,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:05,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2023-12-25 13:53:05,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:05,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2023-12-25 13:53:05,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:05,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2023-12-25 13:53:05,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:05,371 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:53:05,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:53:05,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259266772] [2023-12-25 13:53:05,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259266772] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:53:05,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:53:05,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:53:05,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309268006] [2023-12-25 13:53:05,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:53:05,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:53:05,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:53:05,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:53:05,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:53:05,374 INFO L87 Difference]: Start difference. First operand 1641 states and 2701 transitions. Second operand has 5 states, 5 states have (on average 132.4) internal successors, (662), 5 states have internal predecessors, (662), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:53:05,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:53:05,592 INFO L93 Difference]: Finished difference Result 3026 states and 4976 transitions. [2023-12-25 13:53:05,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:53:05,593 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 132.4) internal successors, (662), 5 states have internal predecessors, (662), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 724 [2023-12-25 13:53:05,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:53:05,596 INFO L225 Difference]: With dead ends: 3026 [2023-12-25 13:53:05,596 INFO L226 Difference]: Without dead ends: 1641 [2023-12-25 13:53:05,598 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:53:05,598 INFO L413 NwaCegarLoop]: 2613 mSDtfsCounter, 2503 mSDsluCounter, 2631 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2516 SdHoareTripleChecker+Valid, 5244 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:53:05,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2516 Valid, 5244 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:53:05,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1641 states. [2023-12-25 13:53:05,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1641 to 1641. [2023-12-25 13:53:05,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1641 states, 1626 states have (on average 1.6445264452644526) internal successors, (2674), 1626 states have internal predecessors, (2674), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:53:05,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1641 states to 1641 states and 2700 transitions. [2023-12-25 13:53:05,622 INFO L78 Accepts]: Start accepts. Automaton has 1641 states and 2700 transitions. Word has length 724 [2023-12-25 13:53:05,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:53:05,623 INFO L495 AbstractCegarLoop]: Abstraction has 1641 states and 2700 transitions. [2023-12-25 13:53:05,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 132.4) internal successors, (662), 5 states have internal predecessors, (662), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:53:05,623 INFO L276 IsEmpty]: Start isEmpty. Operand 1641 states and 2700 transitions. [2023-12-25 13:53:05,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 726 [2023-12-25 13:53:05,629 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:53:05,629 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:53:05,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-12-25 13:53:05,629 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:53:05,630 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:53:05,630 INFO L85 PathProgramCache]: Analyzing trace with hash 258973141, now seen corresponding path program 1 times [2023-12-25 13:53:05,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:53:05,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745272735] [2023-12-25 13:53:05,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:53:05,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:53:05,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:06,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:53:06,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:06,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:53:06,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:06,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:53:06,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:06,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:53:06,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:06,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 13:53:06,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:06,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2023-12-25 13:53:06,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:06,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-12-25 13:53:06,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:06,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-12-25 13:53:06,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:06,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 13:53:06,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:06,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2023-12-25 13:53:06,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:06,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2023-12-25 13:53:06,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:06,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2023-12-25 13:53:06,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:06,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2023-12-25 13:53:06,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:06,703 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:53:06,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:53:06,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745272735] [2023-12-25 13:53:06,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745272735] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:53:06,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:53:06,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:53:06,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052061729] [2023-12-25 13:53:06,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:53:06,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:53:06,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:53:06,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:53:06,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:53:06,707 INFO L87 Difference]: Start difference. First operand 1641 states and 2700 transitions. Second operand has 5 states, 5 states have (on average 132.6) internal successors, (663), 5 states have internal predecessors, (663), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:53:06,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:53:06,905 INFO L93 Difference]: Finished difference Result 3026 states and 4974 transitions. [2023-12-25 13:53:06,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:53:06,905 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 132.6) internal successors, (663), 5 states have internal predecessors, (663), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 725 [2023-12-25 13:53:06,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:53:06,909 INFO L225 Difference]: With dead ends: 3026 [2023-12-25 13:53:06,909 INFO L226 Difference]: Without dead ends: 1641 [2023-12-25 13:53:06,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:53:06,911 INFO L413 NwaCegarLoop]: 2613 mSDtfsCounter, 2418 mSDsluCounter, 2631 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2431 SdHoareTripleChecker+Valid, 5244 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:53:06,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2431 Valid, 5244 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:53:06,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1641 states. [2023-12-25 13:53:06,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1641 to 1641. [2023-12-25 13:53:06,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1641 states, 1626 states have (on average 1.6439114391143912) internal successors, (2673), 1626 states have internal predecessors, (2673), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:53:06,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1641 states to 1641 states and 2699 transitions. [2023-12-25 13:53:06,935 INFO L78 Accepts]: Start accepts. Automaton has 1641 states and 2699 transitions. Word has length 725 [2023-12-25 13:53:06,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:53:06,936 INFO L495 AbstractCegarLoop]: Abstraction has 1641 states and 2699 transitions. [2023-12-25 13:53:06,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 132.6) internal successors, (663), 5 states have internal predecessors, (663), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:53:06,937 INFO L276 IsEmpty]: Start isEmpty. Operand 1641 states and 2699 transitions. [2023-12-25 13:53:06,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 727 [2023-12-25 13:53:06,942 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:53:06,942 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:53:06,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-12-25 13:53:06,943 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:53:06,943 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:53:06,943 INFO L85 PathProgramCache]: Analyzing trace with hash -751981787, now seen corresponding path program 1 times [2023-12-25 13:53:06,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:53:06,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88128541] [2023-12-25 13:53:06,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:53:06,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:53:07,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:08,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:53:08,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:08,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:53:08,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:08,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:53:08,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:08,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:53:08,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:08,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 13:53:08,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:08,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2023-12-25 13:53:08,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:08,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-12-25 13:53:08,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:08,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-12-25 13:53:08,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:08,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 13:53:08,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:08,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2023-12-25 13:53:08,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:08,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2023-12-25 13:53:08,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:08,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2023-12-25 13:53:08,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:08,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2023-12-25 13:53:08,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:08,342 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:53:08,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:53:08,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88128541] [2023-12-25 13:53:08,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88128541] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:53:08,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:53:08,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 13:53:08,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415740447] [2023-12-25 13:53:08,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:53:08,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 13:53:08,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:53:08,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 13:53:08,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 13:53:08,345 INFO L87 Difference]: Start difference. First operand 1641 states and 2699 transitions. Second operand has 4 states, 4 states have (on average 166.0) internal successors, (664), 4 states have internal predecessors, (664), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:53:09,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:53:09,090 INFO L93 Difference]: Finished difference Result 3026 states and 4972 transitions. [2023-12-25 13:53:09,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:53:09,091 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 166.0) internal successors, (664), 4 states have internal predecessors, (664), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 726 [2023-12-25 13:53:09,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:53:09,094 INFO L225 Difference]: With dead ends: 3026 [2023-12-25 13:53:09,095 INFO L226 Difference]: Without dead ends: 1641 [2023-12-25 13:53:09,097 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:53:09,097 INFO L413 NwaCegarLoop]: 2109 mSDtfsCounter, 2108 mSDsluCounter, 2111 mSDsCounter, 0 mSdLazyCounter, 1187 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2108 SdHoareTripleChecker+Valid, 4220 SdHoareTripleChecker+Invalid, 1188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 13:53:09,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2108 Valid, 4220 Invalid, 1188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1187 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 13:53:09,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1641 states. [2023-12-25 13:53:09,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1641 to 1641. [2023-12-25 13:53:09,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1641 states, 1626 states have (on average 1.6426814268142682) internal successors, (2671), 1626 states have internal predecessors, (2671), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:53:09,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1641 states to 1641 states and 2697 transitions. [2023-12-25 13:53:09,123 INFO L78 Accepts]: Start accepts. Automaton has 1641 states and 2697 transitions. Word has length 726 [2023-12-25 13:53:09,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:53:09,123 INFO L495 AbstractCegarLoop]: Abstraction has 1641 states and 2697 transitions. [2023-12-25 13:53:09,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 166.0) internal successors, (664), 4 states have internal predecessors, (664), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:53:09,124 INFO L276 IsEmpty]: Start isEmpty. Operand 1641 states and 2697 transitions. [2023-12-25 13:53:09,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 728 [2023-12-25 13:53:09,129 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:53:09,129 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:53:09,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-12-25 13:53:09,130 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:53:09,130 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:53:09,130 INFO L85 PathProgramCache]: Analyzing trace with hash -342074987, now seen corresponding path program 1 times [2023-12-25 13:53:09,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:53:09,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985380986] [2023-12-25 13:53:09,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:53:09,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:53:09,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:10,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:53:10,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:10,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:53:10,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:10,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:53:10,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:10,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:53:10,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:10,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 13:53:10,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:10,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2023-12-25 13:53:10,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:10,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-12-25 13:53:10,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:10,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-12-25 13:53:10,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:10,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 13:53:10,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:10,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2023-12-25 13:53:10,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:10,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2023-12-25 13:53:10,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:10,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2023-12-25 13:53:10,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:10,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2023-12-25 13:53:10,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:10,222 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:53:10,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:53:10,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985380986] [2023-12-25 13:53:10,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985380986] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:53:10,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:53:10,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:53:10,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011788802] [2023-12-25 13:53:10,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:53:10,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:53:10,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:53:10,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:53:10,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:53:10,225 INFO L87 Difference]: Start difference. First operand 1641 states and 2697 transitions. Second operand has 5 states, 5 states have (on average 133.0) internal successors, (665), 5 states have internal predecessors, (665), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 13:53:10,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:53:10,971 INFO L93 Difference]: Finished difference Result 3489 states and 5711 transitions. [2023-12-25 13:53:10,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 13:53:10,972 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 133.0) internal successors, (665), 5 states have internal predecessors, (665), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 727 [2023-12-25 13:53:10,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:53:10,977 INFO L225 Difference]: With dead ends: 3489 [2023-12-25 13:53:10,977 INFO L226 Difference]: Without dead ends: 1641 [2023-12-25 13:53:10,981 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-25 13:53:10,981 INFO L413 NwaCegarLoop]: 2682 mSDtfsCounter, 3490 mSDsluCounter, 4810 mSDsCounter, 0 mSdLazyCounter, 687 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3498 SdHoareTripleChecker+Valid, 7492 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 13:53:10,982 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3498 Valid, 7492 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 687 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 13:53:10,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1641 states. [2023-12-25 13:53:11,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1641 to 1641. [2023-12-25 13:53:11,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1641 states, 1626 states have (on average 1.6420664206642066) internal successors, (2670), 1626 states have internal predecessors, (2670), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:53:11,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1641 states to 1641 states and 2696 transitions. [2023-12-25 13:53:11,010 INFO L78 Accepts]: Start accepts. Automaton has 1641 states and 2696 transitions. Word has length 727 [2023-12-25 13:53:11,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:53:11,010 INFO L495 AbstractCegarLoop]: Abstraction has 1641 states and 2696 transitions. [2023-12-25 13:53:11,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 133.0) internal successors, (665), 5 states have internal predecessors, (665), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 13:53:11,011 INFO L276 IsEmpty]: Start isEmpty. Operand 1641 states and 2696 transitions. [2023-12-25 13:53:11,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 729 [2023-12-25 13:53:11,016 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:53:11,017 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:53:11,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-12-25 13:53:11,017 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:53:11,017 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:53:11,018 INFO L85 PathProgramCache]: Analyzing trace with hash 319190097, now seen corresponding path program 1 times [2023-12-25 13:53:11,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:53:11,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345989024] [2023-12-25 13:53:11,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:53:11,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:53:11,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:12,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:53:12,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:12,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:53:12,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:12,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:53:12,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:12,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:53:12,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:12,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 13:53:12,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:12,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 13:53:12,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:12,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 13:53:12,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:12,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 13:53:12,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:12,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 13:53:12,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:12,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-25 13:53:12,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:12,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 13:53:12,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:12,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 13:53:12,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:12,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-25 13:53:12,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:12,198 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:53:12,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:53:12,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345989024] [2023-12-25 13:53:12,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345989024] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:53:12,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:53:12,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:53:12,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537918082] [2023-12-25 13:53:12,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:53:12,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:53:12,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:53:12,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:53:12,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:53:12,200 INFO L87 Difference]: Start difference. First operand 1641 states and 2696 transitions. Second operand has 5 states, 5 states have (on average 133.2) internal successors, (666), 5 states have internal predecessors, (666), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 13:53:13,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:53:13,046 INFO L93 Difference]: Finished difference Result 3026 states and 4966 transitions. [2023-12-25 13:53:13,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:53:13,047 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 133.2) internal successors, (666), 5 states have internal predecessors, (666), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 728 [2023-12-25 13:53:13,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:53:13,050 INFO L225 Difference]: With dead ends: 3026 [2023-12-25 13:53:13,051 INFO L226 Difference]: Without dead ends: 1641 [2023-12-25 13:53:13,053 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:53:13,053 INFO L413 NwaCegarLoop]: 2109 mSDtfsCounter, 4937 mSDsluCounter, 2111 mSDsCounter, 0 mSdLazyCounter, 1182 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4942 SdHoareTripleChecker+Valid, 4220 SdHoareTripleChecker+Invalid, 1183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-25 13:53:13,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4942 Valid, 4220 Invalid, 1183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1182 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-25 13:53:13,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1641 states. [2023-12-25 13:53:13,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1641 to 1641. [2023-12-25 13:53:13,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1641 states, 1626 states have (on average 1.6414514145141452) internal successors, (2669), 1626 states have internal predecessors, (2669), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:53:13,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1641 states to 1641 states and 2695 transitions. [2023-12-25 13:53:13,081 INFO L78 Accepts]: Start accepts. Automaton has 1641 states and 2695 transitions. Word has length 728 [2023-12-25 13:53:13,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:53:13,081 INFO L495 AbstractCegarLoop]: Abstraction has 1641 states and 2695 transitions. [2023-12-25 13:53:13,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 133.2) internal successors, (666), 5 states have internal predecessors, (666), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 13:53:13,082 INFO L276 IsEmpty]: Start isEmpty. Operand 1641 states and 2695 transitions. [2023-12-25 13:53:13,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 730 [2023-12-25 13:53:13,087 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:53:13,088 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:53:13,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-12-25 13:53:13,088 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:53:13,088 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:53:13,088 INFO L85 PathProgramCache]: Analyzing trace with hash -80689993, now seen corresponding path program 1 times [2023-12-25 13:53:13,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:53:13,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818398006] [2023-12-25 13:53:13,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:53:13,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:53:13,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:14,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:53:14,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:14,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:53:14,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:14,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:53:14,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:14,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:53:14,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:14,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 13:53:14,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:14,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 13:53:14,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:14,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 13:53:14,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:14,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 13:53:14,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:14,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 13:53:14,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:14,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-25 13:53:14,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:14,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 13:53:14,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:14,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 13:53:14,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:14,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-25 13:53:14,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:14,083 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:53:14,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:53:14,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818398006] [2023-12-25 13:53:14,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818398006] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:53:14,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:53:14,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:53:14,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174466711] [2023-12-25 13:53:14,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:53:14,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:53:14,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:53:14,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:53:14,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:53:14,086 INFO L87 Difference]: Start difference. First operand 1641 states and 2695 transitions. Second operand has 5 states, 5 states have (on average 133.4) internal successors, (667), 5 states have internal predecessors, (667), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 13:53:14,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:53:14,923 INFO L93 Difference]: Finished difference Result 3026 states and 4964 transitions. [2023-12-25 13:53:14,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:53:14,924 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 133.4) internal successors, (667), 5 states have internal predecessors, (667), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 729 [2023-12-25 13:53:14,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:53:14,928 INFO L225 Difference]: With dead ends: 3026 [2023-12-25 13:53:14,928 INFO L226 Difference]: Without dead ends: 1641 [2023-12-25 13:53:14,930 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:53:14,931 INFO L413 NwaCegarLoop]: 2109 mSDtfsCounter, 2496 mSDsluCounter, 2127 mSDsCounter, 0 mSdLazyCounter, 1180 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2501 SdHoareTripleChecker+Valid, 4236 SdHoareTripleChecker+Invalid, 1181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-25 13:53:14,931 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2501 Valid, 4236 Invalid, 1181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1180 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-25 13:53:14,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1641 states. [2023-12-25 13:53:14,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1641 to 1641. [2023-12-25 13:53:14,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1641 states, 1626 states have (on average 1.6408364083640836) internal successors, (2668), 1626 states have internal predecessors, (2668), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:53:14,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1641 states to 1641 states and 2694 transitions. [2023-12-25 13:53:14,956 INFO L78 Accepts]: Start accepts. Automaton has 1641 states and 2694 transitions. Word has length 729 [2023-12-25 13:53:14,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:53:14,957 INFO L495 AbstractCegarLoop]: Abstraction has 1641 states and 2694 transitions. [2023-12-25 13:53:14,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 133.4) internal successors, (667), 5 states have internal predecessors, (667), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 13:53:14,957 INFO L276 IsEmpty]: Start isEmpty. Operand 1641 states and 2694 transitions. [2023-12-25 13:53:14,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 731 [2023-12-25 13:53:14,963 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:53:14,963 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:53:14,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-12-25 13:53:14,963 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:53:14,963 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:53:14,964 INFO L85 PathProgramCache]: Analyzing trace with hash -2130644361, now seen corresponding path program 1 times [2023-12-25 13:53:14,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:53:14,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180012791] [2023-12-25 13:53:14,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:53:14,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:53:15,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:15,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:53:15,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:15,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:53:15,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:15,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:53:15,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:15,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:53:15,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:15,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 13:53:15,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:15,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 13:53:15,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:15,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 13:53:15,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:15,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 13:53:15,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:15,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 13:53:15,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:15,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-25 13:53:15,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:15,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 13:53:15,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:15,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 13:53:15,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:15,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-25 13:53:15,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:15,950 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:53:15,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:53:15,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180012791] [2023-12-25 13:53:15,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180012791] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:53:15,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:53:15,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:53:15,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549545386] [2023-12-25 13:53:15,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:53:15,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:53:15,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:53:15,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:53:15,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:53:15,953 INFO L87 Difference]: Start difference. First operand 1641 states and 2694 transitions. Second operand has 5 states, 5 states have (on average 133.6) internal successors, (668), 5 states have internal predecessors, (668), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 13:53:16,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:53:16,740 INFO L93 Difference]: Finished difference Result 3026 states and 4962 transitions. [2023-12-25 13:53:16,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:53:16,741 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 133.6) internal successors, (668), 5 states have internal predecessors, (668), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 730 [2023-12-25 13:53:16,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:53:16,744 INFO L225 Difference]: With dead ends: 3026 [2023-12-25 13:53:16,744 INFO L226 Difference]: Without dead ends: 1641 [2023-12-25 13:53:16,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:53:16,747 INFO L413 NwaCegarLoop]: 2109 mSDtfsCounter, 2410 mSDsluCounter, 2127 mSDsCounter, 0 mSdLazyCounter, 1178 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2415 SdHoareTripleChecker+Valid, 4236 SdHoareTripleChecker+Invalid, 1179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 13:53:16,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2415 Valid, 4236 Invalid, 1179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1178 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 13:53:16,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1641 states. [2023-12-25 13:53:16,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1641 to 1641. [2023-12-25 13:53:16,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1641 states, 1626 states have (on average 1.6402214022140222) internal successors, (2667), 1626 states have internal predecessors, (2667), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:53:16,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1641 states to 1641 states and 2693 transitions. [2023-12-25 13:53:16,771 INFO L78 Accepts]: Start accepts. Automaton has 1641 states and 2693 transitions. Word has length 730 [2023-12-25 13:53:16,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:53:16,772 INFO L495 AbstractCegarLoop]: Abstraction has 1641 states and 2693 transitions. [2023-12-25 13:53:16,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 133.6) internal successors, (668), 5 states have internal predecessors, (668), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 13:53:16,772 INFO L276 IsEmpty]: Start isEmpty. Operand 1641 states and 2693 transitions. [2023-12-25 13:53:16,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 732 [2023-12-25 13:53:16,777 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:53:16,777 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:53:16,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-12-25 13:53:16,778 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:53:16,778 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:53:16,778 INFO L85 PathProgramCache]: Analyzing trace with hash -960803555, now seen corresponding path program 1 times [2023-12-25 13:53:16,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:53:16,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559133827] [2023-12-25 13:53:16,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:53:16,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:53:17,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:18,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:53:18,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:18,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:53:18,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:18,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:53:18,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:18,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:53:18,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:18,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 13:53:18,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:18,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 13:53:18,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:18,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 13:53:18,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:18,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 13:53:18,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:18,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 13:53:18,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:18,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-25 13:53:18,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:18,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 13:53:18,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:18,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 13:53:18,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:18,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-25 13:53:18,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:18,564 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:53:18,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:53:18,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559133827] [2023-12-25 13:53:18,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559133827] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:53:18,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:53:18,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:53:18,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851701385] [2023-12-25 13:53:18,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:53:18,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:53:18,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:53:18,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:53:18,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:53:18,567 INFO L87 Difference]: Start difference. First operand 1641 states and 2693 transitions. Second operand has 5 states, 5 states have (on average 133.8) internal successors, (669), 5 states have internal predecessors, (669), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:53:18,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:53:18,729 INFO L93 Difference]: Finished difference Result 3026 states and 4960 transitions. [2023-12-25 13:53:18,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:53:18,730 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 133.8) internal successors, (669), 5 states have internal predecessors, (669), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 731 [2023-12-25 13:53:18,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:53:18,732 INFO L225 Difference]: With dead ends: 3026 [2023-12-25 13:53:18,732 INFO L226 Difference]: Without dead ends: 1641 [2023-12-25 13:53:18,734 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:53:18,735 INFO L413 NwaCegarLoop]: 2607 mSDtfsCounter, 4841 mSDsluCounter, 2609 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4854 SdHoareTripleChecker+Valid, 5216 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:53:18,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4854 Valid, 5216 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:53:18,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1641 states. [2023-12-25 13:53:18,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1641 to 1641. [2023-12-25 13:53:18,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1641 states, 1626 states have (on average 1.6396063960639606) internal successors, (2666), 1626 states have internal predecessors, (2666), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:53:18,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1641 states to 1641 states and 2692 transitions. [2023-12-25 13:53:18,758 INFO L78 Accepts]: Start accepts. Automaton has 1641 states and 2692 transitions. Word has length 731 [2023-12-25 13:53:18,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:53:18,758 INFO L495 AbstractCegarLoop]: Abstraction has 1641 states and 2692 transitions. [2023-12-25 13:53:18,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 133.8) internal successors, (669), 5 states have internal predecessors, (669), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:53:18,759 INFO L276 IsEmpty]: Start isEmpty. Operand 1641 states and 2692 transitions. [2023-12-25 13:53:18,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 732 [2023-12-25 13:53:18,764 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:53:18,764 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:53:18,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-12-25 13:53:18,764 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:53:18,765 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:53:18,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1507325019, now seen corresponding path program 1 times [2023-12-25 13:53:18,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:53:18,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897278333] [2023-12-25 13:53:18,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:53:18,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:53:19,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:21,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:53:21,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:21,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:53:21,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:21,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:53:21,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:21,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:53:21,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:21,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 13:53:21,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:21,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 13:53:21,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:21,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 13:53:21,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:21,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 13:53:21,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:21,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 13:53:21,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:21,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-25 13:53:21,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:21,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 13:53:21,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:21,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 13:53:21,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:21,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-25 13:53:21,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:21,050 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:53:21,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:53:21,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897278333] [2023-12-25 13:53:21,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897278333] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:53:21,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:53:21,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:53:21,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222112117] [2023-12-25 13:53:21,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:53:21,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:53:21,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:53:21,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:53:21,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:53:21,053 INFO L87 Difference]: Start difference. First operand 1641 states and 2692 transitions. Second operand has 5 states, 5 states have (on average 133.8) internal successors, (669), 5 states have internal predecessors, (669), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:53:21,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:53:21,227 INFO L93 Difference]: Finished difference Result 3026 states and 4958 transitions. [2023-12-25 13:53:21,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:53:21,227 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 133.8) internal successors, (669), 5 states have internal predecessors, (669), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 731 [2023-12-25 13:53:21,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:53:21,229 INFO L225 Difference]: With dead ends: 3026 [2023-12-25 13:53:21,229 INFO L226 Difference]: Without dead ends: 1641 [2023-12-25 13:53:21,231 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:53:21,231 INFO L413 NwaCegarLoop]: 2607 mSDtfsCounter, 4754 mSDsluCounter, 2609 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4767 SdHoareTripleChecker+Valid, 5216 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:53:21,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4767 Valid, 5216 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:53:21,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1641 states. [2023-12-25 13:53:21,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1641 to 1641. [2023-12-25 13:53:21,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1641 states, 1626 states have (on average 1.638991389913899) internal successors, (2665), 1626 states have internal predecessors, (2665), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:53:21,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1641 states to 1641 states and 2691 transitions. [2023-12-25 13:53:21,254 INFO L78 Accepts]: Start accepts. Automaton has 1641 states and 2691 transitions. Word has length 731 [2023-12-25 13:53:21,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:53:21,255 INFO L495 AbstractCegarLoop]: Abstraction has 1641 states and 2691 transitions. [2023-12-25 13:53:21,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 133.8) internal successors, (669), 5 states have internal predecessors, (669), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:53:21,255 INFO L276 IsEmpty]: Start isEmpty. Operand 1641 states and 2691 transitions. [2023-12-25 13:53:21,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 732 [2023-12-25 13:53:21,260 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:53:21,260 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:53:21,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-12-25 13:53:21,261 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:53:21,261 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:53:21,261 INFO L85 PathProgramCache]: Analyzing trace with hash 2073858653, now seen corresponding path program 1 times [2023-12-25 13:53:21,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:53:21,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875122284] [2023-12-25 13:53:21,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:53:21,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:53:21,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:22,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:53:22,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:22,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:53:22,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:22,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:53:22,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:22,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:53:22,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:22,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 13:53:22,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:22,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 13:53:22,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:22,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 13:53:22,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:22,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 13:53:22,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:22,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 13:53:22,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:22,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-25 13:53:22,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:22,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 13:53:22,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:22,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 13:53:22,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:22,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-25 13:53:22,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:22,800 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:53:22,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:53:22,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875122284] [2023-12-25 13:53:22,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875122284] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:53:22,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:53:22,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:53:22,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929191966] [2023-12-25 13:53:22,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:53:22,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:53:22,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:53:22,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:53:22,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:53:22,802 INFO L87 Difference]: Start difference. First operand 1641 states and 2691 transitions. Second operand has 5 states, 5 states have (on average 133.8) internal successors, (669), 5 states have internal predecessors, (669), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:53:22,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:53:22,962 INFO L93 Difference]: Finished difference Result 3026 states and 4956 transitions. [2023-12-25 13:53:22,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:53:22,963 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 133.8) internal successors, (669), 5 states have internal predecessors, (669), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 731 [2023-12-25 13:53:22,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:53:22,964 INFO L225 Difference]: With dead ends: 3026 [2023-12-25 13:53:22,964 INFO L226 Difference]: Without dead ends: 1641 [2023-12-25 13:53:22,966 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:53:22,966 INFO L413 NwaCegarLoop]: 2607 mSDtfsCounter, 4667 mSDsluCounter, 2609 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4680 SdHoareTripleChecker+Valid, 5216 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:53:22,966 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4680 Valid, 5216 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:53:22,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1641 states. [2023-12-25 13:53:22,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1641 to 1641. [2023-12-25 13:53:22,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1641 states, 1626 states have (on average 1.6383763837638377) internal successors, (2664), 1626 states have internal predecessors, (2664), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:53:22,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1641 states to 1641 states and 2690 transitions. [2023-12-25 13:53:22,988 INFO L78 Accepts]: Start accepts. Automaton has 1641 states and 2690 transitions. Word has length 731 [2023-12-25 13:53:22,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:53:22,988 INFO L495 AbstractCegarLoop]: Abstraction has 1641 states and 2690 transitions. [2023-12-25 13:53:22,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 133.8) internal successors, (669), 5 states have internal predecessors, (669), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:53:22,989 INFO L276 IsEmpty]: Start isEmpty. Operand 1641 states and 2690 transitions. [2023-12-25 13:53:22,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 732 [2023-12-25 13:53:22,994 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:53:22,994 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:53:22,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-12-25 13:53:22,994 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:53:22,995 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:53:22,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1748768997, now seen corresponding path program 1 times [2023-12-25 13:53:22,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:53:22,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685656287] [2023-12-25 13:53:22,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:53:22,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:53:23,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:24,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:53:24,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:24,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:53:24,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:24,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:53:24,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:24,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:53:24,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:24,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 13:53:24,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:24,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 13:53:24,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:24,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 13:53:24,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:24,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 13:53:24,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:24,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 13:53:24,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:24,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-25 13:53:24,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:24,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 13:53:24,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:24,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 13:53:24,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:24,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-25 13:53:24,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:24,415 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:53:24,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:53:24,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685656287] [2023-12-25 13:53:24,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685656287] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:53:24,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:53:24,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:53:24,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919791843] [2023-12-25 13:53:24,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:53:24,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:53:24,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:53:24,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:53:24,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:53:24,417 INFO L87 Difference]: Start difference. First operand 1641 states and 2690 transitions. Second operand has 5 states, 5 states have (on average 133.8) internal successors, (669), 5 states have internal predecessors, (669), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:53:24,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:53:24,621 INFO L93 Difference]: Finished difference Result 3026 states and 4954 transitions. [2023-12-25 13:53:24,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:53:24,621 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 133.8) internal successors, (669), 5 states have internal predecessors, (669), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 731 [2023-12-25 13:53:24,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:53:24,623 INFO L225 Difference]: With dead ends: 3026 [2023-12-25 13:53:24,623 INFO L226 Difference]: Without dead ends: 1641 [2023-12-25 13:53:24,624 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:53:24,625 INFO L413 NwaCegarLoop]: 2607 mSDtfsCounter, 4580 mSDsluCounter, 2609 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4593 SdHoareTripleChecker+Valid, 5216 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:53:24,625 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4593 Valid, 5216 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:53:24,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1641 states. [2023-12-25 13:53:24,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1641 to 1641. [2023-12-25 13:53:24,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1641 states, 1626 states have (on average 1.637761377613776) internal successors, (2663), 1626 states have internal predecessors, (2663), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:53:24,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1641 states to 1641 states and 2689 transitions. [2023-12-25 13:53:24,649 INFO L78 Accepts]: Start accepts. Automaton has 1641 states and 2689 transitions. Word has length 731 [2023-12-25 13:53:24,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:53:24,650 INFO L495 AbstractCegarLoop]: Abstraction has 1641 states and 2689 transitions. [2023-12-25 13:53:24,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 133.8) internal successors, (669), 5 states have internal predecessors, (669), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:53:24,650 INFO L276 IsEmpty]: Start isEmpty. Operand 1641 states and 2689 transitions. [2023-12-25 13:53:24,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 732 [2023-12-25 13:53:24,655 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:53:24,656 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:53:24,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-12-25 13:53:24,656 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:53:24,656 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:53:24,656 INFO L85 PathProgramCache]: Analyzing trace with hash -397383779, now seen corresponding path program 1 times [2023-12-25 13:53:24,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:53:24,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484624845] [2023-12-25 13:53:24,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:53:24,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:53:26,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:27,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:53:27,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:27,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:53:27,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:27,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:53:27,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:27,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:53:27,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:27,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 13:53:27,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:27,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 13:53:27,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:27,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 13:53:27,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:27,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 13:53:27,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:27,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 13:53:27,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:27,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-25 13:53:27,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:27,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 13:53:27,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:27,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 13:53:27,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:27,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-25 13:53:27,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:27,625 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:53:27,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:53:27,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484624845] [2023-12-25 13:53:27,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484624845] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:53:27,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:53:27,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:53:27,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340895536] [2023-12-25 13:53:27,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:53:27,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:53:27,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:53:27,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:53:27,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:53:27,627 INFO L87 Difference]: Start difference. First operand 1641 states and 2689 transitions. Second operand has 5 states, 5 states have (on average 133.8) internal successors, (669), 5 states have internal predecessors, (669), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 13:53:28,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:53:28,605 INFO L93 Difference]: Finished difference Result 3030 states and 4958 transitions. [2023-12-25 13:53:28,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 13:53:28,606 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 133.8) internal successors, (669), 5 states have internal predecessors, (669), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 731 [2023-12-25 13:53:28,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:53:28,607 INFO L225 Difference]: With dead ends: 3030 [2023-12-25 13:53:28,607 INFO L226 Difference]: Without dead ends: 1645 [2023-12-25 13:53:28,610 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:53:28,614 INFO L413 NwaCegarLoop]: 2129 mSDtfsCounter, 2412 mSDsluCounter, 4211 mSDsCounter, 0 mSdLazyCounter, 1710 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2417 SdHoareTripleChecker+Valid, 6340 SdHoareTripleChecker+Invalid, 1711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1710 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-25 13:53:28,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2417 Valid, 6340 Invalid, 1711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1710 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-25 13:53:28,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1645 states. [2023-12-25 13:53:28,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1645 to 1643. [2023-12-25 13:53:28,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1643 states, 1628 states have (on average 1.636977886977887) internal successors, (2665), 1628 states have internal predecessors, (2665), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-25 13:53:28,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1643 states to 1643 states and 2691 transitions. [2023-12-25 13:53:28,641 INFO L78 Accepts]: Start accepts. Automaton has 1643 states and 2691 transitions. Word has length 731 [2023-12-25 13:53:28,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:53:28,642 INFO L495 AbstractCegarLoop]: Abstraction has 1643 states and 2691 transitions. [2023-12-25 13:53:28,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 133.8) internal successors, (669), 5 states have internal predecessors, (669), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 13:53:28,642 INFO L276 IsEmpty]: Start isEmpty. Operand 1643 states and 2691 transitions. [2023-12-25 13:53:28,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 733 [2023-12-25 13:53:28,647 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:53:28,647 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:53:28,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-12-25 13:53:28,648 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:53:28,648 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:53:28,648 INFO L85 PathProgramCache]: Analyzing trace with hash 2110427357, now seen corresponding path program 1 times [2023-12-25 13:53:28,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:53:28,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637225470] [2023-12-25 13:53:28,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:53:28,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:53:30,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:31,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:53:31,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:31,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:53:31,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:31,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:53:31,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:31,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:53:31,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:31,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-12-25 13:53:31,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:31,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-12-25 13:53:31,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:31,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-25 13:53:31,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:31,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-12-25 13:53:31,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:31,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-12-25 13:53:31,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:31,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-12-25 13:53:31,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:31,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 13:53:31,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:31,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 13:53:31,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:31,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-25 13:53:31,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:31,857 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:53:31,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:53:31,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637225470] [2023-12-25 13:53:31,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637225470] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:53:31,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:53:31,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-25 13:53:31,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933751519] [2023-12-25 13:53:31,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:53:31,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-25 13:53:31,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:53:31,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-25 13:53:31,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:53:31,859 INFO L87 Difference]: Start difference. First operand 1643 states and 2691 transitions. Second operand has 6 states, 6 states have (on average 111.66666666666667) internal successors, (670), 6 states have internal predecessors, (670), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-25 13:53:32,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:53:32,498 INFO L93 Difference]: Finished difference Result 4455 states and 7285 transitions. [2023-12-25 13:53:32,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-25 13:53:32,498 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 111.66666666666667) internal successors, (670), 6 states have internal predecessors, (670), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 732 [2023-12-25 13:53:32,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:53:32,501 INFO L225 Difference]: With dead ends: 4455 [2023-12-25 13:53:32,501 INFO L226 Difference]: Without dead ends: 3051 [2023-12-25 13:53:32,503 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2023-12-25 13:53:32,503 INFO L413 NwaCegarLoop]: 2681 mSDtfsCounter, 2250 mSDsluCounter, 10169 mSDsCounter, 0 mSdLazyCounter, 600 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2259 SdHoareTripleChecker+Valid, 12850 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-25 13:53:32,503 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2259 Valid, 12850 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 600 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-25 13:53:32,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3051 states. [2023-12-25 13:53:32,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3051 to 1732. [2023-12-25 13:53:32,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1732 states, 1713 states have (on average 1.6357267950963224) internal successors, (2802), 1713 states have internal predecessors, (2802), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-25 13:53:32,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1732 states to 1732 states and 2836 transitions. [2023-12-25 13:53:32,542 INFO L78 Accepts]: Start accepts. Automaton has 1732 states and 2836 transitions. Word has length 732 [2023-12-25 13:53:32,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:53:32,542 INFO L495 AbstractCegarLoop]: Abstraction has 1732 states and 2836 transitions. [2023-12-25 13:53:32,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 111.66666666666667) internal successors, (670), 6 states have internal predecessors, (670), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-25 13:53:32,542 INFO L276 IsEmpty]: Start isEmpty. Operand 1732 states and 2836 transitions. [2023-12-25 13:53:32,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 734 [2023-12-25 13:53:32,548 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:53:32,548 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:53:32,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-12-25 13:53:32,549 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:53:32,549 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:53:32,549 INFO L85 PathProgramCache]: Analyzing trace with hash 1421195853, now seen corresponding path program 1 times [2023-12-25 13:53:32,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:53:32,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921959958] [2023-12-25 13:53:32,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:53:32,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:53:34,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:35,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:53:35,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:35,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:53:35,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:35,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:53:35,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:35,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-12-25 13:53:35,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:35,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2023-12-25 13:53:35,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:35,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2023-12-25 13:53:35,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:35,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2023-12-25 13:53:35,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:35,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2023-12-25 13:53:35,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:35,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-12-25 13:53:35,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:35,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2023-12-25 13:53:35,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:35,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-12-25 13:53:35,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:35,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2023-12-25 13:53:35,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:35,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2023-12-25 13:53:35,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:35,813 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:53:35,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:53:35,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921959958] [2023-12-25 13:53:35,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921959958] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:53:35,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:53:35,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 13:53:35,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126627894] [2023-12-25 13:53:35,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:53:35,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-25 13:53:35,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:53:35,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-25 13:53:35,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-25 13:53:35,816 INFO L87 Difference]: Start difference. First operand 1732 states and 2836 transitions. Second operand has 7 states, 7 states have (on average 95.85714285714286) internal successors, (671), 7 states have internal predecessors, (671), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-25 13:53:36,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:53:36,629 INFO L93 Difference]: Finished difference Result 3214 states and 5250 transitions. [2023-12-25 13:53:36,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-25 13:53:36,630 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 95.85714285714286) internal successors, (671), 7 states have internal predecessors, (671), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 733 [2023-12-25 13:53:36,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:53:36,632 INFO L225 Difference]: With dead ends: 3214 [2023-12-25 13:53:36,632 INFO L226 Difference]: Without dead ends: 1795 [2023-12-25 13:53:36,633 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2023-12-25 13:53:36,634 INFO L413 NwaCegarLoop]: 2759 mSDtfsCounter, 4725 mSDsluCounter, 8220 mSDsCounter, 0 mSdLazyCounter, 758 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4725 SdHoareTripleChecker+Valid, 10979 SdHoareTripleChecker+Invalid, 788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 758 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 13:53:36,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4725 Valid, 10979 Invalid, 788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 758 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 13:53:36,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1795 states. [2023-12-25 13:53:36,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1795 to 1736. [2023-12-25 13:53:36,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1736 states, 1717 states have (on average 1.633080955154339) internal successors, (2804), 1717 states have internal predecessors, (2804), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-25 13:53:36,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1736 states to 1736 states and 2838 transitions. [2023-12-25 13:53:36,663 INFO L78 Accepts]: Start accepts. Automaton has 1736 states and 2838 transitions. Word has length 733 [2023-12-25 13:53:36,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:53:36,663 INFO L495 AbstractCegarLoop]: Abstraction has 1736 states and 2838 transitions. [2023-12-25 13:53:36,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 95.85714285714286) internal successors, (671), 7 states have internal predecessors, (671), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-25 13:53:36,664 INFO L276 IsEmpty]: Start isEmpty. Operand 1736 states and 2838 transitions. [2023-12-25 13:53:36,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 735 [2023-12-25 13:53:36,669 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:53:36,670 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:53:36,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2023-12-25 13:53:36,670 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:53:36,670 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:53:36,670 INFO L85 PathProgramCache]: Analyzing trace with hash -551218157, now seen corresponding path program 1 times [2023-12-25 13:53:36,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:53:36,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192123263] [2023-12-25 13:53:36,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:53:36,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:53:38,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:40,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:53:40,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:40,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:53:40,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:40,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:53:40,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:40,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-12-25 13:53:40,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:40,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2023-12-25 13:53:40,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:40,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-12-25 13:53:40,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:40,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2023-12-25 13:53:40,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:40,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2023-12-25 13:53:40,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:40,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2023-12-25 13:53:40,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:40,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2023-12-25 13:53:40,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:40,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2023-12-25 13:53:40,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:40,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 13:53:40,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:40,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2023-12-25 13:53:40,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:40,133 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:53:40,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:53:40,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192123263] [2023-12-25 13:53:40,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192123263] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:53:40,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:53:40,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 13:53:40,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422500675] [2023-12-25 13:53:40,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:53:40,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-25 13:53:40,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:53:40,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-25 13:53:40,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-12-25 13:53:40,136 INFO L87 Difference]: Start difference. First operand 1736 states and 2838 transitions. Second operand has 7 states, 7 states have (on average 96.0) internal successors, (672), 7 states have internal predecessors, (672), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 13:53:40,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:53:40,587 INFO L93 Difference]: Finished difference Result 5903 states and 9640 transitions. [2023-12-25 13:53:40,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-25 13:53:40,588 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 96.0) internal successors, (672), 7 states have internal predecessors, (672), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 734 [2023-12-25 13:53:40,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:53:40,593 INFO L225 Difference]: With dead ends: 5903 [2023-12-25 13:53:40,594 INFO L226 Difference]: Without dead ends: 4514 [2023-12-25 13:53:40,596 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2023-12-25 13:53:40,596 INFO L413 NwaCegarLoop]: 4993 mSDtfsCounter, 9042 mSDsluCounter, 15401 mSDsCounter, 0 mSdLazyCounter, 372 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9064 SdHoareTripleChecker+Valid, 20394 SdHoareTripleChecker+Invalid, 394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:53:40,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9064 Valid, 20394 Invalid, 394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 372 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 13:53:40,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4514 states. [2023-12-25 13:53:40,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4514 to 1741. [2023-12-25 13:53:40,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1741 states, 1722 states have (on average 1.6318234610917537) internal successors, (2810), 1722 states have internal predecessors, (2810), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-25 13:53:40,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1741 states to 1741 states and 2844 transitions. [2023-12-25 13:53:40,637 INFO L78 Accepts]: Start accepts. Automaton has 1741 states and 2844 transitions. Word has length 734 [2023-12-25 13:53:40,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:53:40,637 INFO L495 AbstractCegarLoop]: Abstraction has 1741 states and 2844 transitions. [2023-12-25 13:53:40,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 96.0) internal successors, (672), 7 states have internal predecessors, (672), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 13:53:40,638 INFO L276 IsEmpty]: Start isEmpty. Operand 1741 states and 2844 transitions. [2023-12-25 13:53:40,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 736 [2023-12-25 13:53:40,643 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:53:40,643 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:53:40,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2023-12-25 13:53:40,644 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:53:40,644 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:53:40,644 INFO L85 PathProgramCache]: Analyzing trace with hash -841582017, now seen corresponding path program 1 times [2023-12-25 13:53:40,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:53:40,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51669592] [2023-12-25 13:53:40,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:53:40,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:53:42,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:42,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:53:42,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:42,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:53:42,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:42,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:53:42,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:42,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-12-25 13:53:42,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:42,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-12-25 13:53:42,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:42,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2023-12-25 13:53:42,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:42,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2023-12-25 13:53:42,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:42,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2023-12-25 13:53:42,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:42,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2023-12-25 13:53:42,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:42,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2023-12-25 13:53:42,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:42,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-12-25 13:53:42,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:42,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-12-25 13:53:42,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:42,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-12-25 13:53:42,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:42,969 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:53:42,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:53:42,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51669592] [2023-12-25 13:53:42,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51669592] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:53:42,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:53:42,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 13:53:42,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130246818] [2023-12-25 13:53:42,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:53:42,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 13:53:42,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:53:42,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 13:53:42,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 13:53:42,971 INFO L87 Difference]: Start difference. First operand 1741 states and 2844 transitions. Second operand has 4 states, 4 states have (on average 168.25) internal successors, (673), 4 states have internal predecessors, (673), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:53:43,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:53:43,217 INFO L93 Difference]: Finished difference Result 3135 states and 5116 transitions. [2023-12-25 13:53:43,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:53:43,218 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 168.25) internal successors, (673), 4 states have internal predecessors, (673), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 735 [2023-12-25 13:53:43,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:53:43,221 INFO L225 Difference]: With dead ends: 3135 [2023-12-25 13:53:43,221 INFO L226 Difference]: Without dead ends: 1741 [2023-12-25 13:53:43,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:53:43,224 INFO L413 NwaCegarLoop]: 2551 mSDtfsCounter, 2336 mSDsluCounter, 2553 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2336 SdHoareTripleChecker+Valid, 5104 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:53:43,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2336 Valid, 5104 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:53:43,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1741 states. [2023-12-25 13:53:43,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1741 to 1741. [2023-12-25 13:53:43,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1741 states, 1722 states have (on average 1.6312427409988386) internal successors, (2809), 1722 states have internal predecessors, (2809), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-25 13:53:43,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1741 states to 1741 states and 2843 transitions. [2023-12-25 13:53:43,259 INFO L78 Accepts]: Start accepts. Automaton has 1741 states and 2843 transitions. Word has length 735 [2023-12-25 13:53:43,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:53:43,260 INFO L495 AbstractCegarLoop]: Abstraction has 1741 states and 2843 transitions. [2023-12-25 13:53:43,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 168.25) internal successors, (673), 4 states have internal predecessors, (673), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:53:43,260 INFO L276 IsEmpty]: Start isEmpty. Operand 1741 states and 2843 transitions. [2023-12-25 13:53:43,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 736 [2023-12-25 13:53:43,266 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:53:43,266 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:53:43,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2023-12-25 13:53:43,267 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:53:43,267 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:53:43,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1805763649, now seen corresponding path program 1 times [2023-12-25 13:53:43,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:53:43,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326564265] [2023-12-25 13:53:43,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:53:43,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:53:44,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:44,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:53:44,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:44,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:53:44,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:44,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:53:44,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:44,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-12-25 13:53:44,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:44,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-12-25 13:53:44,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:44,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2023-12-25 13:53:44,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:44,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2023-12-25 13:53:44,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:44,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2023-12-25 13:53:44,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:44,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2023-12-25 13:53:44,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:44,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2023-12-25 13:53:44,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:44,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-12-25 13:53:44,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:44,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-12-25 13:53:44,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:44,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-12-25 13:53:44,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:44,994 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:53:44,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:53:44,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326564265] [2023-12-25 13:53:44,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326564265] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:53:44,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:53:44,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:53:44,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548203493] [2023-12-25 13:53:44,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:53:44,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:53:44,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:53:44,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:53:44,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:53:44,997 INFO L87 Difference]: Start difference. First operand 1741 states and 2843 transitions. Second operand has 5 states, 5 states have (on average 134.6) internal successors, (673), 5 states have internal predecessors, (673), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:53:45,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:53:45,272 INFO L93 Difference]: Finished difference Result 3135 states and 5114 transitions. [2023-12-25 13:53:45,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:53:45,273 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 134.6) internal successors, (673), 5 states have internal predecessors, (673), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 735 [2023-12-25 13:53:45,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:53:45,275 INFO L225 Difference]: With dead ends: 3135 [2023-12-25 13:53:45,275 INFO L226 Difference]: Without dead ends: 1741 [2023-12-25 13:53:45,276 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:53:45,277 INFO L413 NwaCegarLoop]: 2551 mSDtfsCounter, 4665 mSDsluCounter, 2553 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4665 SdHoareTripleChecker+Valid, 5104 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:53:45,277 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4665 Valid, 5104 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:53:45,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1741 states. [2023-12-25 13:53:45,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1741 to 1741. [2023-12-25 13:53:45,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1741 states, 1722 states have (on average 1.6306620209059233) internal successors, (2808), 1722 states have internal predecessors, (2808), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-25 13:53:45,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1741 states to 1741 states and 2842 transitions. [2023-12-25 13:53:45,307 INFO L78 Accepts]: Start accepts. Automaton has 1741 states and 2842 transitions. Word has length 735 [2023-12-25 13:53:45,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:53:45,308 INFO L495 AbstractCegarLoop]: Abstraction has 1741 states and 2842 transitions. [2023-12-25 13:53:45,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 134.6) internal successors, (673), 5 states have internal predecessors, (673), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:53:45,308 INFO L276 IsEmpty]: Start isEmpty. Operand 1741 states and 2842 transitions. [2023-12-25 13:53:45,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 736 [2023-12-25 13:53:45,314 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:53:45,314 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:53:45,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2023-12-25 13:53:45,315 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:53:45,315 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:53:45,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1791003007, now seen corresponding path program 1 times [2023-12-25 13:53:45,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:53:45,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576679536] [2023-12-25 13:53:45,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:53:45,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:53:46,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:47,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:53:47,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:47,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:53:47,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:47,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:53:47,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:47,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-12-25 13:53:47,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:47,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-12-25 13:53:47,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:47,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2023-12-25 13:53:47,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:47,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2023-12-25 13:53:47,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:47,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2023-12-25 13:53:47,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:47,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2023-12-25 13:53:47,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:47,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2023-12-25 13:53:47,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:47,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-12-25 13:53:47,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:47,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-12-25 13:53:47,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:47,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-12-25 13:53:47,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:47,235 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:53:47,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:53:47,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576679536] [2023-12-25 13:53:47,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576679536] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:53:47,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:53:47,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:53:47,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459655805] [2023-12-25 13:53:47,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:53:47,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:53:47,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:53:47,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:53:47,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:53:47,237 INFO L87 Difference]: Start difference. First operand 1741 states and 2842 transitions. Second operand has 5 states, 5 states have (on average 134.6) internal successors, (673), 5 states have internal predecessors, (673), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:53:47,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:53:47,490 INFO L93 Difference]: Finished difference Result 3135 states and 5112 transitions. [2023-12-25 13:53:47,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:53:47,491 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 134.6) internal successors, (673), 5 states have internal predecessors, (673), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 735 [2023-12-25 13:53:47,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:53:47,493 INFO L225 Difference]: With dead ends: 3135 [2023-12-25 13:53:47,493 INFO L226 Difference]: Without dead ends: 1741 [2023-12-25 13:53:47,495 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:53:47,495 INFO L413 NwaCegarLoop]: 2551 mSDtfsCounter, 2333 mSDsluCounter, 2569 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2333 SdHoareTripleChecker+Valid, 5120 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:53:47,495 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2333 Valid, 5120 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:53:47,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1741 states. [2023-12-25 13:53:47,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1741 to 1741. [2023-12-25 13:53:47,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1741 states, 1722 states have (on average 1.6300813008130082) internal successors, (2807), 1722 states have internal predecessors, (2807), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-25 13:53:47,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1741 states to 1741 states and 2841 transitions. [2023-12-25 13:53:47,524 INFO L78 Accepts]: Start accepts. Automaton has 1741 states and 2841 transitions. Word has length 735 [2023-12-25 13:53:47,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:53:47,525 INFO L495 AbstractCegarLoop]: Abstraction has 1741 states and 2841 transitions. [2023-12-25 13:53:47,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 134.6) internal successors, (673), 5 states have internal predecessors, (673), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:53:47,525 INFO L276 IsEmpty]: Start isEmpty. Operand 1741 states and 2841 transitions. [2023-12-25 13:53:47,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 736 [2023-12-25 13:53:47,530 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:53:47,530 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:53:47,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2023-12-25 13:53:47,530 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:53:47,530 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:53:47,531 INFO L85 PathProgramCache]: Analyzing trace with hash -314311423, now seen corresponding path program 1 times [2023-12-25 13:53:47,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:53:47,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632523931] [2023-12-25 13:53:47,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:53:47,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:53:48,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:49,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:53:49,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:49,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:53:49,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:49,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:53:49,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:49,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-12-25 13:53:49,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:49,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-12-25 13:53:49,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:49,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2023-12-25 13:53:49,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:49,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2023-12-25 13:53:49,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:49,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2023-12-25 13:53:49,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:49,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2023-12-25 13:53:49,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:49,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2023-12-25 13:53:49,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:49,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-12-25 13:53:49,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:49,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-12-25 13:53:49,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:49,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-12-25 13:53:49,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:49,435 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:53:49,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:53:49,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632523931] [2023-12-25 13:53:49,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632523931] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:53:49,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:53:49,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:53:49,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553883297] [2023-12-25 13:53:49,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:53:49,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:53:49,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:53:49,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:53:49,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:53:49,438 INFO L87 Difference]: Start difference. First operand 1741 states and 2841 transitions. Second operand has 5 states, 5 states have (on average 134.6) internal successors, (673), 5 states have internal predecessors, (673), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:53:49,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:53:49,692 INFO L93 Difference]: Finished difference Result 3135 states and 5110 transitions. [2023-12-25 13:53:49,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:53:49,693 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 134.6) internal successors, (673), 5 states have internal predecessors, (673), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 735 [2023-12-25 13:53:49,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:53:49,695 INFO L225 Difference]: With dead ends: 3135 [2023-12-25 13:53:49,695 INFO L226 Difference]: Without dead ends: 1741 [2023-12-25 13:53:49,697 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:53:49,697 INFO L413 NwaCegarLoop]: 2551 mSDtfsCounter, 2332 mSDsluCounter, 2569 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2332 SdHoareTripleChecker+Valid, 5120 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:53:49,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2332 Valid, 5120 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:53:49,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1741 states. [2023-12-25 13:53:49,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1741 to 1741. [2023-12-25 13:53:49,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1741 states, 1722 states have (on average 1.6295005807200929) internal successors, (2806), 1722 states have internal predecessors, (2806), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-25 13:53:49,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1741 states to 1741 states and 2840 transitions. [2023-12-25 13:53:49,730 INFO L78 Accepts]: Start accepts. Automaton has 1741 states and 2840 transitions. Word has length 735 [2023-12-25 13:53:49,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:53:49,730 INFO L495 AbstractCegarLoop]: Abstraction has 1741 states and 2840 transitions. [2023-12-25 13:53:49,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 134.6) internal successors, (673), 5 states have internal predecessors, (673), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:53:49,731 INFO L276 IsEmpty]: Start isEmpty. Operand 1741 states and 2840 transitions. [2023-12-25 13:53:49,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 736 [2023-12-25 13:53:49,736 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:53:49,737 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:53:49,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2023-12-25 13:53:49,737 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:53:49,737 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:53:49,737 INFO L85 PathProgramCache]: Analyzing trace with hash -1917770305, now seen corresponding path program 1 times [2023-12-25 13:53:49,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:53:49,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578337090] [2023-12-25 13:53:49,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:53:49,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:53:50,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:51,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:53:51,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:51,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:53:51,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:51,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:53:51,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:51,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-12-25 13:53:51,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:51,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-12-25 13:53:51,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:51,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2023-12-25 13:53:51,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:51,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2023-12-25 13:53:51,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:51,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2023-12-25 13:53:51,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:51,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2023-12-25 13:53:51,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:51,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2023-12-25 13:53:51,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:51,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-12-25 13:53:51,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:51,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-12-25 13:53:51,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:51,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-12-25 13:53:51,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:51,662 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:53:51,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:53:51,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578337090] [2023-12-25 13:53:51,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578337090] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:53:51,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:53:51,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:53:51,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351151370] [2023-12-25 13:53:51,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:53:51,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:53:51,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:53:51,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:53:51,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:53:51,664 INFO L87 Difference]: Start difference. First operand 1741 states and 2840 transitions. Second operand has 5 states, 5 states have (on average 134.6) internal successors, (673), 5 states have internal predecessors, (673), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:53:51,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:53:51,998 INFO L93 Difference]: Finished difference Result 3135 states and 5108 transitions. [2023-12-25 13:53:51,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:53:51,999 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 134.6) internal successors, (673), 5 states have internal predecessors, (673), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 735 [2023-12-25 13:53:51,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:53:52,001 INFO L225 Difference]: With dead ends: 3135 [2023-12-25 13:53:52,002 INFO L226 Difference]: Without dead ends: 1741 [2023-12-25 13:53:52,003 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:53:52,003 INFO L413 NwaCegarLoop]: 2551 mSDtfsCounter, 2331 mSDsluCounter, 2569 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2331 SdHoareTripleChecker+Valid, 5120 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:53:52,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2331 Valid, 5120 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:53:52,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1741 states. [2023-12-25 13:53:52,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1741 to 1741. [2023-12-25 13:53:52,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1741 states, 1722 states have (on average 1.6289198606271778) internal successors, (2805), 1722 states have internal predecessors, (2805), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-25 13:53:52,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1741 states to 1741 states and 2839 transitions. [2023-12-25 13:53:52,034 INFO L78 Accepts]: Start accepts. Automaton has 1741 states and 2839 transitions. Word has length 735 [2023-12-25 13:53:52,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:53:52,035 INFO L495 AbstractCegarLoop]: Abstraction has 1741 states and 2839 transitions. [2023-12-25 13:53:52,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 134.6) internal successors, (673), 5 states have internal predecessors, (673), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:53:52,035 INFO L276 IsEmpty]: Start isEmpty. Operand 1741 states and 2839 transitions. [2023-12-25 13:53:52,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 736 [2023-12-25 13:53:52,040 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:53:52,041 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:53:52,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2023-12-25 13:53:52,041 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:53:52,041 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:53:52,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1588389313, now seen corresponding path program 1 times [2023-12-25 13:53:52,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:53:52,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708280456] [2023-12-25 13:53:52,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:53:52,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:53:53,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:53,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:53:53,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:53,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:53:53,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:53,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:53:53,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:53,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-12-25 13:53:53,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:53,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-12-25 13:53:53,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:53,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2023-12-25 13:53:53,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:53,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2023-12-25 13:53:53,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:53,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2023-12-25 13:53:53,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:53,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2023-12-25 13:53:53,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:53,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2023-12-25 13:53:53,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:53,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-12-25 13:53:53,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:53,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-12-25 13:53:53,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:53,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-12-25 13:53:53,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:53,918 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:53:53,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:53:53,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708280456] [2023-12-25 13:53:53,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708280456] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:53:53,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:53:53,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:53:53,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915667487] [2023-12-25 13:53:53,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:53:53,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:53:53,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:53:53,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:53:53,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:53:53,921 INFO L87 Difference]: Start difference. First operand 1741 states and 2839 transitions. Second operand has 5 states, 5 states have (on average 134.6) internal successors, (673), 5 states have internal predecessors, (673), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:53:54,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:53:54,171 INFO L93 Difference]: Finished difference Result 3135 states and 5106 transitions. [2023-12-25 13:53:54,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:53:54,172 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 134.6) internal successors, (673), 5 states have internal predecessors, (673), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 735 [2023-12-25 13:53:54,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:53:54,174 INFO L225 Difference]: With dead ends: 3135 [2023-12-25 13:53:54,174 INFO L226 Difference]: Without dead ends: 1741 [2023-12-25 13:53:54,175 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:53:54,176 INFO L413 NwaCegarLoop]: 2551 mSDtfsCounter, 4569 mSDsluCounter, 2553 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4569 SdHoareTripleChecker+Valid, 5104 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:53:54,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4569 Valid, 5104 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:53:54,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1741 states. [2023-12-25 13:53:54,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1741 to 1741. [2023-12-25 13:53:54,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1741 states, 1722 states have (on average 1.6283391405342624) internal successors, (2804), 1722 states have internal predecessors, (2804), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-25 13:53:54,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1741 states to 1741 states and 2838 transitions. [2023-12-25 13:53:54,209 INFO L78 Accepts]: Start accepts. Automaton has 1741 states and 2838 transitions. Word has length 735 [2023-12-25 13:53:54,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:53:54,209 INFO L495 AbstractCegarLoop]: Abstraction has 1741 states and 2838 transitions. [2023-12-25 13:53:54,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 134.6) internal successors, (673), 5 states have internal predecessors, (673), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:53:54,210 INFO L276 IsEmpty]: Start isEmpty. Operand 1741 states and 2838 transitions. [2023-12-25 13:53:54,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 736 [2023-12-25 13:53:54,215 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:53:54,216 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:53:54,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2023-12-25 13:53:54,216 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:53:54,216 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:53:54,216 INFO L85 PathProgramCache]: Analyzing trace with hash 2136929535, now seen corresponding path program 1 times [2023-12-25 13:53:54,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:53:54,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25377643] [2023-12-25 13:53:54,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:53:54,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:53:55,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:56,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:53:56,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:56,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:53:56,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:56,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:53:56,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:56,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-12-25 13:53:56,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:56,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-12-25 13:53:56,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:56,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2023-12-25 13:53:56,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:56,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2023-12-25 13:53:56,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:56,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2023-12-25 13:53:56,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:56,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2023-12-25 13:53:56,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:56,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2023-12-25 13:53:56,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:56,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-12-25 13:53:56,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:56,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-12-25 13:53:56,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:56,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-12-25 13:53:56,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:56,248 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:53:56,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:53:56,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25377643] [2023-12-25 13:53:56,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25377643] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:53:56,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:53:56,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:53:56,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275650678] [2023-12-25 13:53:56,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:53:56,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:53:56,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:53:56,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:53:56,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:53:56,251 INFO L87 Difference]: Start difference. First operand 1741 states and 2838 transitions. Second operand has 5 states, 5 states have (on average 134.6) internal successors, (673), 5 states have internal predecessors, (673), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:53:56,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:53:56,526 INFO L93 Difference]: Finished difference Result 3135 states and 5104 transitions. [2023-12-25 13:53:56,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:53:56,527 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 134.6) internal successors, (673), 5 states have internal predecessors, (673), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 735 [2023-12-25 13:53:56,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:53:56,529 INFO L225 Difference]: With dead ends: 3135 [2023-12-25 13:53:56,529 INFO L226 Difference]: Without dead ends: 1741 [2023-12-25 13:53:56,530 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:53:56,530 INFO L413 NwaCegarLoop]: 2551 mSDtfsCounter, 2329 mSDsluCounter, 2569 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2329 SdHoareTripleChecker+Valid, 5120 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:53:56,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2329 Valid, 5120 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:53:56,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1741 states. [2023-12-25 13:53:56,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1741 to 1741. [2023-12-25 13:53:56,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1741 states, 1722 states have (on average 1.6277584204413473) internal successors, (2803), 1722 states have internal predecessors, (2803), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-25 13:53:56,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1741 states to 1741 states and 2837 transitions. [2023-12-25 13:53:56,560 INFO L78 Accepts]: Start accepts. Automaton has 1741 states and 2837 transitions. Word has length 735 [2023-12-25 13:53:56,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:53:56,561 INFO L495 AbstractCegarLoop]: Abstraction has 1741 states and 2837 transitions. [2023-12-25 13:53:56,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 134.6) internal successors, (673), 5 states have internal predecessors, (673), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:53:56,561 INFO L276 IsEmpty]: Start isEmpty. Operand 1741 states and 2837 transitions. [2023-12-25 13:53:56,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 736 [2023-12-25 13:53:56,567 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:53:56,567 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:53:56,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2023-12-25 13:53:56,567 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:53:56,568 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:53:56,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1306275901, now seen corresponding path program 1 times [2023-12-25 13:53:56,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:53:56,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217503679] [2023-12-25 13:53:56,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:53:56,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:53:57,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:58,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:53:58,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:58,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:53:58,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:58,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:53:58,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:58,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-12-25 13:53:58,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:58,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-12-25 13:53:58,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:58,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2023-12-25 13:53:58,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:58,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2023-12-25 13:53:58,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:58,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2023-12-25 13:53:58,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:58,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2023-12-25 13:53:58,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:58,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2023-12-25 13:53:58,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:58,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-12-25 13:53:58,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:58,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-12-25 13:53:58,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:58,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-12-25 13:53:58,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:53:58,307 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:53:58,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:53:58,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217503679] [2023-12-25 13:53:58,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217503679] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:53:58,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:53:58,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:53:58,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976963385] [2023-12-25 13:53:58,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:53:58,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:53:58,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:53:58,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:53:58,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:53:58,310 INFO L87 Difference]: Start difference. First operand 1741 states and 2837 transitions. Second operand has 5 states, 5 states have (on average 134.6) internal successors, (673), 5 states have internal predecessors, (673), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:53:58,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:53:58,577 INFO L93 Difference]: Finished difference Result 3135 states and 5102 transitions. [2023-12-25 13:53:58,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:53:58,577 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 134.6) internal successors, (673), 5 states have internal predecessors, (673), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 735 [2023-12-25 13:53:58,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:53:58,579 INFO L225 Difference]: With dead ends: 3135 [2023-12-25 13:53:58,579 INFO L226 Difference]: Without dead ends: 1741 [2023-12-25 13:53:58,580 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:53:58,581 INFO L413 NwaCegarLoop]: 2551 mSDtfsCounter, 4482 mSDsluCounter, 2553 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4482 SdHoareTripleChecker+Valid, 5104 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:53:58,581 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4482 Valid, 5104 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:53:58,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1741 states. [2023-12-25 13:53:58,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1741 to 1741. [2023-12-25 13:53:58,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1741 states, 1722 states have (on average 1.627177700348432) internal successors, (2802), 1722 states have internal predecessors, (2802), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-25 13:53:58,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1741 states to 1741 states and 2836 transitions. [2023-12-25 13:53:58,608 INFO L78 Accepts]: Start accepts. Automaton has 1741 states and 2836 transitions. Word has length 735 [2023-12-25 13:53:58,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:53:58,608 INFO L495 AbstractCegarLoop]: Abstraction has 1741 states and 2836 transitions. [2023-12-25 13:53:58,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 134.6) internal successors, (673), 5 states have internal predecessors, (673), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:53:58,609 INFO L276 IsEmpty]: Start isEmpty. Operand 1741 states and 2836 transitions. [2023-12-25 13:53:58,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 736 [2023-12-25 13:53:58,614 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:53:58,615 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:53:58,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2023-12-25 13:53:58,615 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:53:58,615 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:53:58,615 INFO L85 PathProgramCache]: Analyzing trace with hash 1954868671, now seen corresponding path program 1 times [2023-12-25 13:53:58,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:53:58,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539894127] [2023-12-25 13:53:58,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:53:58,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:53:59,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:00,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:54:00,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:00,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:54:00,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:00,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:54:00,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:00,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-12-25 13:54:00,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:00,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-12-25 13:54:00,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:00,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2023-12-25 13:54:00,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:00,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2023-12-25 13:54:00,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:00,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2023-12-25 13:54:00,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:00,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2023-12-25 13:54:00,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:00,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2023-12-25 13:54:00,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:00,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-12-25 13:54:00,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:00,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-12-25 13:54:00,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:00,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-12-25 13:54:00,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:00,283 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:54:00,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:54:00,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539894127] [2023-12-25 13:54:00,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539894127] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:54:00,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:54:00,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:54:00,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758189155] [2023-12-25 13:54:00,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:54:00,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:54:00,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:54:00,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:54:00,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:54:00,285 INFO L87 Difference]: Start difference. First operand 1741 states and 2836 transitions. Second operand has 5 states, 5 states have (on average 134.6) internal successors, (673), 5 states have internal predecessors, (673), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:54:00,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:54:00,523 INFO L93 Difference]: Finished difference Result 3135 states and 5100 transitions. [2023-12-25 13:54:00,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:54:00,524 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 134.6) internal successors, (673), 5 states have internal predecessors, (673), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 735 [2023-12-25 13:54:00,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:54:00,526 INFO L225 Difference]: With dead ends: 3135 [2023-12-25 13:54:00,526 INFO L226 Difference]: Without dead ends: 1741 [2023-12-25 13:54:00,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:54:00,527 INFO L413 NwaCegarLoop]: 2551 mSDtfsCounter, 2327 mSDsluCounter, 2569 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2327 SdHoareTripleChecker+Valid, 5120 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:54:00,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2327 Valid, 5120 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:54:00,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1741 states. [2023-12-25 13:54:00,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1741 to 1741. [2023-12-25 13:54:00,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1741 states, 1722 states have (on average 1.626596980255517) internal successors, (2801), 1722 states have internal predecessors, (2801), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-25 13:54:00,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1741 states to 1741 states and 2835 transitions. [2023-12-25 13:54:00,548 INFO L78 Accepts]: Start accepts. Automaton has 1741 states and 2835 transitions. Word has length 735 [2023-12-25 13:54:00,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:54:00,549 INFO L495 AbstractCegarLoop]: Abstraction has 1741 states and 2835 transitions. [2023-12-25 13:54:00,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 134.6) internal successors, (673), 5 states have internal predecessors, (673), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:54:00,549 INFO L276 IsEmpty]: Start isEmpty. Operand 1741 states and 2835 transitions. [2023-12-25 13:54:00,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 736 [2023-12-25 13:54:00,554 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:54:00,555 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:54:00,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2023-12-25 13:54:00,555 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:54:00,555 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:54:00,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1265037181, now seen corresponding path program 1 times [2023-12-25 13:54:00,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:54:00,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831363662] [2023-12-25 13:54:00,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:54:00,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:54:01,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:02,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:54:02,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:02,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:54:02,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:02,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:54:02,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:02,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-12-25 13:54:02,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:02,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-12-25 13:54:02,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:02,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2023-12-25 13:54:02,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:02,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2023-12-25 13:54:02,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:02,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2023-12-25 13:54:02,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:02,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2023-12-25 13:54:02,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:02,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2023-12-25 13:54:02,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:02,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-12-25 13:54:02,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:02,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-12-25 13:54:02,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:02,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-12-25 13:54:02,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:02,393 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:54:02,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:54:02,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831363662] [2023-12-25 13:54:02,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831363662] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:54:02,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:54:02,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:54:02,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468012035] [2023-12-25 13:54:02,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:54:02,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:54:02,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:54:02,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:54:02,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:54:02,395 INFO L87 Difference]: Start difference. First operand 1741 states and 2835 transitions. Second operand has 5 states, 5 states have (on average 134.6) internal successors, (673), 5 states have internal predecessors, (673), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:54:02,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:54:02,636 INFO L93 Difference]: Finished difference Result 3135 states and 5098 transitions. [2023-12-25 13:54:02,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:54:02,636 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 134.6) internal successors, (673), 5 states have internal predecessors, (673), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 735 [2023-12-25 13:54:02,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:54:02,638 INFO L225 Difference]: With dead ends: 3135 [2023-12-25 13:54:02,638 INFO L226 Difference]: Without dead ends: 1741 [2023-12-25 13:54:02,639 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:54:02,639 INFO L413 NwaCegarLoop]: 2551 mSDtfsCounter, 4396 mSDsluCounter, 2553 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4396 SdHoareTripleChecker+Valid, 5104 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:54:02,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4396 Valid, 5104 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:54:02,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1741 states. [2023-12-25 13:54:02,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1741 to 1741. [2023-12-25 13:54:02,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1741 states, 1722 states have (on average 1.6260162601626016) internal successors, (2800), 1722 states have internal predecessors, (2800), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-25 13:54:02,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1741 states to 1741 states and 2834 transitions. [2023-12-25 13:54:02,659 INFO L78 Accepts]: Start accepts. Automaton has 1741 states and 2834 transitions. Word has length 735 [2023-12-25 13:54:02,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:54:02,659 INFO L495 AbstractCegarLoop]: Abstraction has 1741 states and 2834 transitions. [2023-12-25 13:54:02,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 134.6) internal successors, (673), 5 states have internal predecessors, (673), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:54:02,659 INFO L276 IsEmpty]: Start isEmpty. Operand 1741 states and 2834 transitions. [2023-12-25 13:54:02,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 736 [2023-12-25 13:54:02,664 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:54:02,665 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:54:02,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2023-12-25 13:54:02,665 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:54:02,665 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:54:02,666 INFO L85 PathProgramCache]: Analyzing trace with hash 494303615, now seen corresponding path program 1 times [2023-12-25 13:54:02,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:54:02,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760865709] [2023-12-25 13:54:02,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:54:02,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:54:03,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:04,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:54:04,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:04,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:54:04,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:04,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:54:04,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:04,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-12-25 13:54:04,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:04,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-12-25 13:54:04,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:04,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2023-12-25 13:54:04,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:04,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2023-12-25 13:54:04,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:04,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2023-12-25 13:54:04,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:04,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2023-12-25 13:54:04,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:04,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2023-12-25 13:54:04,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:04,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-12-25 13:54:04,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:04,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-12-25 13:54:04,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:04,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-12-25 13:54:04,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:04,410 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:54:04,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:54:04,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760865709] [2023-12-25 13:54:04,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760865709] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:54:04,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:54:04,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:54:04,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078681295] [2023-12-25 13:54:04,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:54:04,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:54:04,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:54:04,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:54:04,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:54:04,413 INFO L87 Difference]: Start difference. First operand 1741 states and 2834 transitions. Second operand has 5 states, 5 states have (on average 134.6) internal successors, (673), 5 states have internal predecessors, (673), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:54:04,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:54:04,656 INFO L93 Difference]: Finished difference Result 3135 states and 5096 transitions. [2023-12-25 13:54:04,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:54:04,657 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 134.6) internal successors, (673), 5 states have internal predecessors, (673), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 735 [2023-12-25 13:54:04,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:54:04,659 INFO L225 Difference]: With dead ends: 3135 [2023-12-25 13:54:04,659 INFO L226 Difference]: Without dead ends: 1741 [2023-12-25 13:54:04,660 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:54:04,660 INFO L413 NwaCegarLoop]: 2551 mSDtfsCounter, 4391 mSDsluCounter, 2553 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4391 SdHoareTripleChecker+Valid, 5104 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:54:04,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4391 Valid, 5104 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:54:04,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1741 states. [2023-12-25 13:54:04,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1741 to 1741. [2023-12-25 13:54:04,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1741 states, 1722 states have (on average 1.6254355400696865) internal successors, (2799), 1722 states have internal predecessors, (2799), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-25 13:54:04,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1741 states to 1741 states and 2833 transitions. [2023-12-25 13:54:04,682 INFO L78 Accepts]: Start accepts. Automaton has 1741 states and 2833 transitions. Word has length 735 [2023-12-25 13:54:04,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:54:04,683 INFO L495 AbstractCegarLoop]: Abstraction has 1741 states and 2833 transitions. [2023-12-25 13:54:04,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 134.6) internal successors, (673), 5 states have internal predecessors, (673), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:54:04,683 INFO L276 IsEmpty]: Start isEmpty. Operand 1741 states and 2833 transitions. [2023-12-25 13:54:04,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 736 [2023-12-25 13:54:04,688 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:54:04,689 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:54:04,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2023-12-25 13:54:04,689 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:54:04,689 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:54:04,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1464271171, now seen corresponding path program 1 times [2023-12-25 13:54:04,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:54:04,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698236458] [2023-12-25 13:54:04,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:54:04,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:54:05,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:06,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:54:06,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:06,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:54:06,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:06,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:54:06,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:06,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-12-25 13:54:06,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:06,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-12-25 13:54:06,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:06,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2023-12-25 13:54:06,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:06,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2023-12-25 13:54:06,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:06,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2023-12-25 13:54:06,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:06,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2023-12-25 13:54:06,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:06,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2023-12-25 13:54:06,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:06,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-12-25 13:54:06,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:06,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-12-25 13:54:06,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:06,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-12-25 13:54:06,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:06,611 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:54:06,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:54:06,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698236458] [2023-12-25 13:54:06,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698236458] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:54:06,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:54:06,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 13:54:06,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623500720] [2023-12-25 13:54:06,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:54:06,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 13:54:06,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:54:06,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 13:54:06,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 13:54:06,613 INFO L87 Difference]: Start difference. First operand 1741 states and 2833 transitions. Second operand has 4 states, 4 states have (on average 168.25) internal successors, (673), 4 states have internal predecessors, (673), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:54:06,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:54:06,829 INFO L93 Difference]: Finished difference Result 3135 states and 5094 transitions. [2023-12-25 13:54:06,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:54:06,832 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 168.25) internal successors, (673), 4 states have internal predecessors, (673), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 735 [2023-12-25 13:54:06,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:54:06,835 INFO L225 Difference]: With dead ends: 3135 [2023-12-25 13:54:06,835 INFO L226 Difference]: Without dead ends: 1741 [2023-12-25 13:54:06,839 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:54:06,839 INFO L413 NwaCegarLoop]: 2551 mSDtfsCounter, 2063 mSDsluCounter, 2553 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2063 SdHoareTripleChecker+Valid, 5104 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:54:06,839 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2063 Valid, 5104 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:54:06,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1741 states. [2023-12-25 13:54:06,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1741 to 1741. [2023-12-25 13:54:06,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1741 states, 1722 states have (on average 1.6248548199767712) internal successors, (2798), 1722 states have internal predecessors, (2798), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-25 13:54:06,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1741 states to 1741 states and 2832 transitions. [2023-12-25 13:54:06,868 INFO L78 Accepts]: Start accepts. Automaton has 1741 states and 2832 transitions. Word has length 735 [2023-12-25 13:54:06,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:54:06,869 INFO L495 AbstractCegarLoop]: Abstraction has 1741 states and 2832 transitions. [2023-12-25 13:54:06,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 168.25) internal successors, (673), 4 states have internal predecessors, (673), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:54:06,869 INFO L276 IsEmpty]: Start isEmpty. Operand 1741 states and 2832 transitions. [2023-12-25 13:54:06,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 736 [2023-12-25 13:54:06,875 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:54:06,875 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:54:06,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2023-12-25 13:54:06,875 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:54:06,876 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:54:06,876 INFO L85 PathProgramCache]: Analyzing trace with hash -139414977, now seen corresponding path program 1 times [2023-12-25 13:54:06,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:54:06,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554818310] [2023-12-25 13:54:06,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:54:06,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:54:08,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:10,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:54:10,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:10,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:54:10,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:10,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:54:10,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:10,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-12-25 13:54:10,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:10,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-12-25 13:54:10,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:10,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2023-12-25 13:54:10,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:10,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2023-12-25 13:54:10,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:10,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2023-12-25 13:54:10,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:10,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2023-12-25 13:54:10,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:10,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2023-12-25 13:54:10,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:10,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-12-25 13:54:10,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:10,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-12-25 13:54:10,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:10,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-12-25 13:54:10,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:10,410 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:54:10,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:54:10,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554818310] [2023-12-25 13:54:10,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554818310] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:54:10,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:54:10,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 13:54:10,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893397133] [2023-12-25 13:54:10,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:54:10,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-25 13:54:10,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:54:10,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-25 13:54:10,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-12-25 13:54:10,412 INFO L87 Difference]: Start difference. First operand 1741 states and 2832 transitions. Second operand has 7 states, 7 states have (on average 96.14285714285714) internal successors, (673), 7 states have internal predecessors, (673), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 13:54:10,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:54:10,816 INFO L93 Difference]: Finished difference Result 5923 states and 9616 transitions. [2023-12-25 13:54:10,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-25 13:54:10,817 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 96.14285714285714) internal successors, (673), 7 states have internal predecessors, (673), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 735 [2023-12-25 13:54:10,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:54:10,823 INFO L225 Difference]: With dead ends: 5923 [2023-12-25 13:54:10,823 INFO L226 Difference]: Without dead ends: 4529 [2023-12-25 13:54:10,826 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2023-12-25 13:54:10,826 INFO L413 NwaCegarLoop]: 6887 mSDtfsCounter, 6978 mSDsluCounter, 21212 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6997 SdHoareTripleChecker+Valid, 28099 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:54:10,827 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6997 Valid, 28099 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:54:10,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4529 states. [2023-12-25 13:54:10,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4529 to 1746. [2023-12-25 13:54:10,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1746 states, 1727 states have (on average 1.6236247828604518) internal successors, (2804), 1727 states have internal predecessors, (2804), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-25 13:54:10,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1746 states to 1746 states and 2838 transitions. [2023-12-25 13:54:10,871 INFO L78 Accepts]: Start accepts. Automaton has 1746 states and 2838 transitions. Word has length 735 [2023-12-25 13:54:10,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:54:10,872 INFO L495 AbstractCegarLoop]: Abstraction has 1746 states and 2838 transitions. [2023-12-25 13:54:10,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 96.14285714285714) internal successors, (673), 7 states have internal predecessors, (673), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 13:54:10,872 INFO L276 IsEmpty]: Start isEmpty. Operand 1746 states and 2838 transitions. [2023-12-25 13:54:10,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 737 [2023-12-25 13:54:10,878 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:54:10,878 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:54:10,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2023-12-25 13:54:10,878 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:54:10,878 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:54:10,879 INFO L85 PathProgramCache]: Analyzing trace with hash 973366387, now seen corresponding path program 1 times [2023-12-25 13:54:10,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:54:10,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767578890] [2023-12-25 13:54:10,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:54:10,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:54:11,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:11,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:54:11,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:11,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:54:11,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:11,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:54:11,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:11,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-12-25 13:54:11,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:11,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-12-25 13:54:11,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:11,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2023-12-25 13:54:11,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:11,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2023-12-25 13:54:11,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:11,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2023-12-25 13:54:11,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:11,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2023-12-25 13:54:11,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:11,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2023-12-25 13:54:11,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:11,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2023-12-25 13:54:11,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:11,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2023-12-25 13:54:11,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:11,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 13:54:11,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:11,911 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:54:11,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:54:11,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767578890] [2023-12-25 13:54:11,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767578890] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:54:11,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:54:11,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-25 13:54:11,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829962197] [2023-12-25 13:54:11,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:54:11,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-25 13:54:11,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:54:11,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-25 13:54:11,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:54:11,913 INFO L87 Difference]: Start difference. First operand 1746 states and 2838 transitions. Second operand has 6 states, 6 states have (on average 112.33333333333333) internal successors, (674), 6 states have internal predecessors, (674), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-25 13:54:14,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:54:14,140 INFO L93 Difference]: Finished difference Result 4541 states and 7368 transitions. [2023-12-25 13:54:14,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 13:54:14,140 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 112.33333333333333) internal successors, (674), 6 states have internal predecessors, (674), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 736 [2023-12-25 13:54:14,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:54:14,144 INFO L225 Difference]: With dead ends: 4541 [2023-12-25 13:54:14,144 INFO L226 Difference]: Without dead ends: 3142 [2023-12-25 13:54:14,145 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-25 13:54:14,146 INFO L413 NwaCegarLoop]: 3772 mSDtfsCounter, 4822 mSDsluCounter, 9578 mSDsCounter, 0 mSdLazyCounter, 3899 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4845 SdHoareTripleChecker+Valid, 13350 SdHoareTripleChecker+Invalid, 3900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3899 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:54:14,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4845 Valid, 13350 Invalid, 3900 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3899 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-12-25 13:54:14,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3142 states. [2023-12-25 13:54:14,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3142 to 1748. [2023-12-25 13:54:14,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1748 states, 1729 states have (on average 1.6229034123770967) internal successors, (2806), 1729 states have internal predecessors, (2806), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-25 13:54:14,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1748 states to 1748 states and 2840 transitions. [2023-12-25 13:54:14,179 INFO L78 Accepts]: Start accepts. Automaton has 1748 states and 2840 transitions. Word has length 736 [2023-12-25 13:54:14,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:54:14,179 INFO L495 AbstractCegarLoop]: Abstraction has 1748 states and 2840 transitions. [2023-12-25 13:54:14,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 112.33333333333333) internal successors, (674), 6 states have internal predecessors, (674), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-25 13:54:14,180 INFO L276 IsEmpty]: Start isEmpty. Operand 1748 states and 2840 transitions. [2023-12-25 13:54:14,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 737 [2023-12-25 13:54:14,185 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:54:14,185 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:54:14,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2023-12-25 13:54:14,186 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:54:14,186 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:54:14,186 INFO L85 PathProgramCache]: Analyzing trace with hash 1749423733, now seen corresponding path program 1 times [2023-12-25 13:54:14,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:54:14,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029653454] [2023-12-25 13:54:14,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:54:14,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:54:15,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:16,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:54:16,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:16,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:54:16,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:16,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:54:16,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:16,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-12-25 13:54:16,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:16,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-12-25 13:54:16,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:16,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2023-12-25 13:54:16,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:16,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2023-12-25 13:54:16,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:16,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2023-12-25 13:54:16,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:16,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2023-12-25 13:54:16,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:16,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2023-12-25 13:54:16,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:16,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2023-12-25 13:54:16,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:16,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2023-12-25 13:54:16,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:16,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 13:54:16,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:16,958 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:54:16,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:54:16,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029653454] [2023-12-25 13:54:16,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029653454] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:54:16,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:54:16,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:54:16,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802794719] [2023-12-25 13:54:16,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:54:16,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:54:16,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:54:16,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:54:16,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:54:16,960 INFO L87 Difference]: Start difference. First operand 1748 states and 2840 transitions. Second operand has 5 states, 5 states have (on average 134.8) internal successors, (674), 5 states have internal predecessors, (674), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 13:54:17,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:54:17,931 INFO L93 Difference]: Finished difference Result 3153 states and 5114 transitions. [2023-12-25 13:54:17,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 13:54:17,931 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 134.8) internal successors, (674), 5 states have internal predecessors, (674), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 736 [2023-12-25 13:54:17,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:54:17,933 INFO L225 Difference]: With dead ends: 3153 [2023-12-25 13:54:17,933 INFO L226 Difference]: Without dead ends: 1752 [2023-12-25 13:54:17,935 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:54:17,935 INFO L413 NwaCegarLoop]: 2116 mSDtfsCounter, 2468 mSDsluCounter, 4185 mSDsCounter, 0 mSdLazyCounter, 1710 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2472 SdHoareTripleChecker+Valid, 6301 SdHoareTripleChecker+Invalid, 1711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1710 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-25 13:54:17,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2472 Valid, 6301 Invalid, 1711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1710 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-25 13:54:17,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1752 states. [2023-12-25 13:54:17,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1752 to 1750. [2023-12-25 13:54:17,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1750 states, 1731 states have (on average 1.6221837088388216) internal successors, (2808), 1731 states have internal predecessors, (2808), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-25 13:54:17,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1750 states to 1750 states and 2842 transitions. [2023-12-25 13:54:17,964 INFO L78 Accepts]: Start accepts. Automaton has 1750 states and 2842 transitions. Word has length 736 [2023-12-25 13:54:17,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:54:17,964 INFO L495 AbstractCegarLoop]: Abstraction has 1750 states and 2842 transitions. [2023-12-25 13:54:17,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 134.8) internal successors, (674), 5 states have internal predecessors, (674), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 13:54:17,965 INFO L276 IsEmpty]: Start isEmpty. Operand 1750 states and 2842 transitions. [2023-12-25 13:54:17,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 738 [2023-12-25 13:54:17,969 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:54:17,969 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:54:17,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2023-12-25 13:54:17,970 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:54:17,970 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:54:17,970 INFO L85 PathProgramCache]: Analyzing trace with hash -1106015325, now seen corresponding path program 1 times [2023-12-25 13:54:17,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:54:17,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292000388] [2023-12-25 13:54:17,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:54:17,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:54:20,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:21,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:54:21,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:21,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:54:21,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:21,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:54:21,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:21,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-12-25 13:54:21,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:21,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-12-25 13:54:21,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:21,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2023-12-25 13:54:21,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:21,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2023-12-25 13:54:21,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:21,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2023-12-25 13:54:21,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:21,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2023-12-25 13:54:21,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:21,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2023-12-25 13:54:21,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:21,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2023-12-25 13:54:21,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:21,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2023-12-25 13:54:21,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:21,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 13:54:21,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:21,613 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:54:21,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:54:21,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292000388] [2023-12-25 13:54:21,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292000388] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:54:21,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:54:21,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:54:21,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101830610] [2023-12-25 13:54:21,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:54:21,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:54:21,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:54:21,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:54:21,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:54:21,615 INFO L87 Difference]: Start difference. First operand 1750 states and 2842 transitions. Second operand has 5 states, 5 states have (on average 135.0) internal successors, (675), 5 states have internal predecessors, (675), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:54:22,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:54:22,513 INFO L93 Difference]: Finished difference Result 3155 states and 5115 transitions. [2023-12-25 13:54:22,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 13:54:22,514 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 135.0) internal successors, (675), 5 states have internal predecessors, (675), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 737 [2023-12-25 13:54:22,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:54:22,515 INFO L225 Difference]: With dead ends: 3155 [2023-12-25 13:54:22,515 INFO L226 Difference]: Without dead ends: 1752 [2023-12-25 13:54:22,517 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:54:22,517 INFO L413 NwaCegarLoop]: 2116 mSDtfsCounter, 2252 mSDsluCounter, 4185 mSDsCounter, 0 mSdLazyCounter, 1710 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2252 SdHoareTripleChecker+Valid, 6301 SdHoareTripleChecker+Invalid, 1710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1710 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-25 13:54:22,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2252 Valid, 6301 Invalid, 1710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1710 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-25 13:54:22,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1752 states. [2023-12-25 13:54:22,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1752 to 1751. [2023-12-25 13:54:22,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1751 states, 1732 states have (on average 1.621824480369515) internal successors, (2809), 1732 states have internal predecessors, (2809), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-25 13:54:22,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1751 states to 1751 states and 2843 transitions. [2023-12-25 13:54:22,543 INFO L78 Accepts]: Start accepts. Automaton has 1751 states and 2843 transitions. Word has length 737 [2023-12-25 13:54:22,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:54:22,543 INFO L495 AbstractCegarLoop]: Abstraction has 1751 states and 2843 transitions. [2023-12-25 13:54:22,543 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 135.0) internal successors, (675), 5 states have internal predecessors, (675), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:54:22,543 INFO L276 IsEmpty]: Start isEmpty. Operand 1751 states and 2843 transitions. [2023-12-25 13:54:22,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 738 [2023-12-25 13:54:22,547 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:54:22,548 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:54:22,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2023-12-25 13:54:22,548 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:54:22,548 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:54:22,548 INFO L85 PathProgramCache]: Analyzing trace with hash -1589409951, now seen corresponding path program 1 times [2023-12-25 13:54:22,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:54:22,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246495226] [2023-12-25 13:54:22,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:54:22,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:54:24,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:27,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:54:27,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:27,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:54:27,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:27,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:54:27,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:27,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-12-25 13:54:27,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:27,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-12-25 13:54:27,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:27,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2023-12-25 13:54:27,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:27,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2023-12-25 13:54:27,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:27,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2023-12-25 13:54:27,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:27,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2023-12-25 13:54:27,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:27,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2023-12-25 13:54:27,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:27,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2023-12-25 13:54:27,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:27,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2023-12-25 13:54:27,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:27,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 13:54:27,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:27,024 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:54:27,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:54:27,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246495226] [2023-12-25 13:54:27,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246495226] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:54:27,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:54:27,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-25 13:54:27,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402391807] [2023-12-25 13:54:27,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:54:27,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-25 13:54:27,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:54:27,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-25 13:54:27,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2023-12-25 13:54:27,027 INFO L87 Difference]: Start difference. First operand 1751 states and 2843 transitions. Second operand has 11 states, 11 states have (on average 61.36363636363637) internal successors, (675), 11 states have internal predecessors, (675), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-25 13:54:31,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:54:31,365 INFO L93 Difference]: Finished difference Result 6429 states and 10397 transitions. [2023-12-25 13:54:31,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-25 13:54:31,365 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 61.36363636363637) internal successors, (675), 11 states have internal predecessors, (675), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 737 [2023-12-25 13:54:31,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:54:31,371 INFO L225 Difference]: With dead ends: 6429 [2023-12-25 13:54:31,371 INFO L226 Difference]: Without dead ends: 5025 [2023-12-25 13:54:31,372 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2023-12-25 13:54:31,372 INFO L413 NwaCegarLoop]: 3977 mSDtfsCounter, 11512 mSDsluCounter, 25455 mSDsCounter, 0 mSdLazyCounter, 8240 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11530 SdHoareTripleChecker+Valid, 29432 SdHoareTripleChecker+Invalid, 8291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 8240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2023-12-25 13:54:31,373 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11530 Valid, 29432 Invalid, 8291 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [51 Valid, 8240 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2023-12-25 13:54:31,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5025 states. [2023-12-25 13:54:31,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5025 to 2071. [2023-12-25 13:54:31,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2071 states, 2036 states have (on average 1.6154223968565815) internal successors, (3289), 2036 states have internal predecessors, (3289), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-12-25 13:54:31,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2071 states to 2071 states and 3355 transitions. [2023-12-25 13:54:31,422 INFO L78 Accepts]: Start accepts. Automaton has 2071 states and 3355 transitions. Word has length 737 [2023-12-25 13:54:31,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:54:31,422 INFO L495 AbstractCegarLoop]: Abstraction has 2071 states and 3355 transitions. [2023-12-25 13:54:31,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 61.36363636363637) internal successors, (675), 11 states have internal predecessors, (675), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-25 13:54:31,422 INFO L276 IsEmpty]: Start isEmpty. Operand 2071 states and 3355 transitions. [2023-12-25 13:54:31,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 739 [2023-12-25 13:54:31,427 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:54:31,427 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:54:31,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2023-12-25 13:54:31,427 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:54:31,427 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:54:31,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1184648865, now seen corresponding path program 1 times [2023-12-25 13:54:31,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:54:31,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118267085] [2023-12-25 13:54:31,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:54:31,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:54:33,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:35,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:54:35,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:35,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:54:35,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:35,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:54:35,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:35,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-12-25 13:54:35,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:35,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-12-25 13:54:35,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:35,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2023-12-25 13:54:35,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:35,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2023-12-25 13:54:35,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:35,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2023-12-25 13:54:35,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:35,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2023-12-25 13:54:35,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:35,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2023-12-25 13:54:35,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:35,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2023-12-25 13:54:35,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:35,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2023-12-25 13:54:35,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:35,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2023-12-25 13:54:35,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:35,084 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:54:35,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:54:35,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118267085] [2023-12-25 13:54:35,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118267085] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:54:35,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:54:35,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 13:54:35,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931843960] [2023-12-25 13:54:35,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:54:35,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-25 13:54:35,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:54:35,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-25 13:54:35,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-12-25 13:54:35,087 INFO L87 Difference]: Start difference. First operand 2071 states and 3355 transitions. Second operand has 7 states, 7 states have (on average 96.57142857142857) internal successors, (676), 7 states have internal predecessors, (676), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 13:54:35,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:54:35,522 INFO L93 Difference]: Finished difference Result 6535 states and 10570 transitions. [2023-12-25 13:54:35,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-25 13:54:35,523 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 96.57142857142857) internal successors, (676), 7 states have internal predecessors, (676), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 738 [2023-12-25 13:54:35,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:54:35,530 INFO L225 Difference]: With dead ends: 6535 [2023-12-25 13:54:35,530 INFO L226 Difference]: Without dead ends: 5048 [2023-12-25 13:54:35,533 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2023-12-25 13:54:35,535 INFO L413 NwaCegarLoop]: 4907 mSDtfsCounter, 6994 mSDsluCounter, 15278 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7014 SdHoareTripleChecker+Valid, 20185 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:54:35,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7014 Valid, 20185 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 339 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:54:35,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5048 states. [2023-12-25 13:54:35,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5048 to 2081. [2023-12-25 13:54:35,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2081 states, 2046 states have (on average 1.6133919843597262) internal successors, (3301), 2046 states have internal predecessors, (3301), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-12-25 13:54:35,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2081 states to 2081 states and 3367 transitions. [2023-12-25 13:54:35,606 INFO L78 Accepts]: Start accepts. Automaton has 2081 states and 3367 transitions. Word has length 738 [2023-12-25 13:54:35,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:54:35,607 INFO L495 AbstractCegarLoop]: Abstraction has 2081 states and 3367 transitions. [2023-12-25 13:54:35,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 96.57142857142857) internal successors, (676), 7 states have internal predecessors, (676), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 13:54:35,607 INFO L276 IsEmpty]: Start isEmpty. Operand 2081 states and 3367 transitions. [2023-12-25 13:54:35,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 740 [2023-12-25 13:54:35,613 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:54:35,614 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:54:35,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2023-12-25 13:54:35,614 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:54:35,614 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:54:35,614 INFO L85 PathProgramCache]: Analyzing trace with hash -1467987787, now seen corresponding path program 1 times [2023-12-25 13:54:35,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:54:35,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973915309] [2023-12-25 13:54:35,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:54:35,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:54:35,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:36,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:54:36,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:36,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:54:36,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:36,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:54:36,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:36,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-12-25 13:54:36,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:36,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-12-25 13:54:36,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:36,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2023-12-25 13:54:36,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:36,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2023-12-25 13:54:36,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:36,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2023-12-25 13:54:36,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:36,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2023-12-25 13:54:36,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:36,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-12-25 13:54:36,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:36,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2023-12-25 13:54:36,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:36,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2023-12-25 13:54:36,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:36,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2023-12-25 13:54:36,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:36,579 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:54:36,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:54:36,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973915309] [2023-12-25 13:54:36,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973915309] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:54:36,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:54:36,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-25 13:54:36,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484551321] [2023-12-25 13:54:36,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:54:36,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-25 13:54:36,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:54:36,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-25 13:54:36,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:54:36,581 INFO L87 Difference]: Start difference. First operand 2081 states and 3367 transitions. Second operand has 6 states, 6 states have (on average 112.83333333333333) internal successors, (677), 6 states have internal predecessors, (677), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-25 13:54:38,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:54:38,231 INFO L93 Difference]: Finished difference Result 5057 states and 8172 transitions. [2023-12-25 13:54:38,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 13:54:38,232 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 112.83333333333333) internal successors, (677), 6 states have internal predecessors, (677), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 739 [2023-12-25 13:54:38,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:54:38,236 INFO L225 Difference]: With dead ends: 5057 [2023-12-25 13:54:38,236 INFO L226 Difference]: Without dead ends: 3571 [2023-12-25 13:54:38,238 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-25 13:54:38,238 INFO L413 NwaCegarLoop]: 2248 mSDtfsCounter, 6868 mSDsluCounter, 6536 mSDsCounter, 0 mSdLazyCounter, 2504 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6892 SdHoareTripleChecker+Valid, 8784 SdHoareTripleChecker+Invalid, 2511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-25 13:54:38,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6892 Valid, 8784 Invalid, 2511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2504 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-25 13:54:38,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3571 states. [2023-12-25 13:54:38,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3571 to 2085. [2023-12-25 13:54:38,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2085 states, 2050 states have (on average 1.6121951219512196) internal successors, (3305), 2050 states have internal predecessors, (3305), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-12-25 13:54:38,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2085 states to 2085 states and 3371 transitions. [2023-12-25 13:54:38,287 INFO L78 Accepts]: Start accepts. Automaton has 2085 states and 3371 transitions. Word has length 739 [2023-12-25 13:54:38,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:54:38,287 INFO L495 AbstractCegarLoop]: Abstraction has 2085 states and 3371 transitions. [2023-12-25 13:54:38,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 112.83333333333333) internal successors, (677), 6 states have internal predecessors, (677), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-25 13:54:38,288 INFO L276 IsEmpty]: Start isEmpty. Operand 2085 states and 3371 transitions. [2023-12-25 13:54:38,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 740 [2023-12-25 13:54:38,293 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:54:38,294 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:54:38,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2023-12-25 13:54:38,294 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:54:38,294 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:54:38,294 INFO L85 PathProgramCache]: Analyzing trace with hash 2129724275, now seen corresponding path program 1 times [2023-12-25 13:54:38,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:54:38,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197686085] [2023-12-25 13:54:38,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:54:38,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:54:40,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:41,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:54:41,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:41,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:54:41,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:41,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:54:41,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:41,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-12-25 13:54:41,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:41,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-12-25 13:54:41,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:41,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2023-12-25 13:54:41,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:41,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2023-12-25 13:54:41,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:41,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2023-12-25 13:54:41,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:41,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2023-12-25 13:54:41,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:41,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-12-25 13:54:41,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:41,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2023-12-25 13:54:41,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:41,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2023-12-25 13:54:41,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:41,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2023-12-25 13:54:41,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:41,298 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:54:41,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:54:41,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197686085] [2023-12-25 13:54:41,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197686085] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:54:41,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:54:41,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 13:54:41,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369203910] [2023-12-25 13:54:41,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:54:41,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-25 13:54:41,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:54:41,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-25 13:54:41,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-25 13:54:41,300 INFO L87 Difference]: Start difference. First operand 2085 states and 3371 transitions. Second operand has 7 states, 7 states have (on average 96.71428571428571) internal successors, (677), 7 states have internal predecessors, (677), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-25 13:54:42,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:54:42,609 INFO L93 Difference]: Finished difference Result 3710 states and 5986 transitions. [2023-12-25 13:54:42,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 13:54:42,610 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 96.71428571428571) internal successors, (677), 7 states have internal predecessors, (677), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 739 [2023-12-25 13:54:42,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:54:42,613 INFO L225 Difference]: With dead ends: 3710 [2023-12-25 13:54:42,613 INFO L226 Difference]: Without dead ends: 2251 [2023-12-25 13:54:42,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2023-12-25 13:54:42,615 INFO L413 NwaCegarLoop]: 2225 mSDtfsCounter, 7211 mSDsluCounter, 4989 mSDsCounter, 0 mSdLazyCounter, 2167 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7215 SdHoareTripleChecker+Valid, 7214 SdHoareTripleChecker+Invalid, 2192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 2167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:54:42,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7215 Valid, 7214 Invalid, 2192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 2167 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-25 13:54:42,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2251 states. [2023-12-25 13:54:42,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2251 to 2089. [2023-12-25 13:54:42,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2089 states, 2054 states have (on average 1.610029211295034) internal successors, (3307), 2054 states have internal predecessors, (3307), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-12-25 13:54:42,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 2089 states and 3373 transitions. [2023-12-25 13:54:42,655 INFO L78 Accepts]: Start accepts. Automaton has 2089 states and 3373 transitions. Word has length 739 [2023-12-25 13:54:42,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:54:42,655 INFO L495 AbstractCegarLoop]: Abstraction has 2089 states and 3373 transitions. [2023-12-25 13:54:42,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 96.71428571428571) internal successors, (677), 7 states have internal predecessors, (677), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-25 13:54:42,655 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 3373 transitions. [2023-12-25 13:54:42,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 741 [2023-12-25 13:54:42,660 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:54:42,661 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:54:42,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2023-12-25 13:54:42,661 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:54:42,661 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:54:42,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1836727879, now seen corresponding path program 1 times [2023-12-25 13:54:42,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:54:42,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609714299] [2023-12-25 13:54:42,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:54:42,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:54:44,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:47,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:54:47,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:47,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:54:47,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:47,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:54:47,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:47,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-12-25 13:54:47,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:47,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-12-25 13:54:47,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:47,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2023-12-25 13:54:47,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:47,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2023-12-25 13:54:47,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:47,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2023-12-25 13:54:47,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:47,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2023-12-25 13:54:47,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:47,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2023-12-25 13:54:47,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:47,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2023-12-25 13:54:47,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:47,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2023-12-25 13:54:47,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:47,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2023-12-25 13:54:47,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:47,101 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:54:47,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:54:47,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609714299] [2023-12-25 13:54:47,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609714299] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:54:47,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:54:47,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-25 13:54:47,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209793705] [2023-12-25 13:54:47,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:54:47,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-25 13:54:47,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:54:47,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-25 13:54:47,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2023-12-25 13:54:47,103 INFO L87 Difference]: Start difference. First operand 2089 states and 3373 transitions. Second operand has 11 states, 11 states have (on average 61.63636363636363) internal successors, (678), 11 states have internal predecessors, (678), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-25 13:54:51,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:54:51,330 INFO L93 Difference]: Finished difference Result 7330 states and 11788 transitions. [2023-12-25 13:54:51,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-25 13:54:51,331 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 61.63636363636363) internal successors, (678), 11 states have internal predecessors, (678), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 740 [2023-12-25 13:54:51,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:54:51,337 INFO L225 Difference]: With dead ends: 7330 [2023-12-25 13:54:51,337 INFO L226 Difference]: Without dead ends: 5894 [2023-12-25 13:54:51,339 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2023-12-25 13:54:51,339 INFO L413 NwaCegarLoop]: 3974 mSDtfsCounter, 11486 mSDsluCounter, 23272 mSDsCounter, 0 mSdLazyCounter, 7478 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11504 SdHoareTripleChecker+Valid, 27246 SdHoareTripleChecker+Invalid, 7535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 7478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2023-12-25 13:54:51,339 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11504 Valid, 27246 Invalid, 7535 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [57 Valid, 7478 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2023-12-25 13:54:51,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5894 states. [2023-12-25 13:54:51,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5894 to 2709. [2023-12-25 13:54:51,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2709 states, 2646 states have (on average 1.5990173847316704) internal successors, (4231), 2646 states have internal predecessors, (4231), 61 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2023-12-25 13:54:51,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2709 states to 2709 states and 4353 transitions. [2023-12-25 13:54:51,443 INFO L78 Accepts]: Start accepts. Automaton has 2709 states and 4353 transitions. Word has length 740 [2023-12-25 13:54:51,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:54:51,443 INFO L495 AbstractCegarLoop]: Abstraction has 2709 states and 4353 transitions. [2023-12-25 13:54:51,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 61.63636363636363) internal successors, (678), 11 states have internal predecessors, (678), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-25 13:54:51,443 INFO L276 IsEmpty]: Start isEmpty. Operand 2709 states and 4353 transitions. [2023-12-25 13:54:51,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 742 [2023-12-25 13:54:51,450 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:54:51,450 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:54:51,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2023-12-25 13:54:51,451 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:54:51,451 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:54:51,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1754293039, now seen corresponding path program 1 times [2023-12-25 13:54:51,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:54:51,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213818249] [2023-12-25 13:54:51,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:54:51,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:54:53,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:56,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:54:56,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:56,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:54:56,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:56,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:54:56,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:56,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-12-25 13:54:56,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:56,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-12-25 13:54:56,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:56,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2023-12-25 13:54:56,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:56,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2023-12-25 13:54:56,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:56,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2023-12-25 13:54:56,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:56,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2023-12-25 13:54:56,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:56,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2023-12-25 13:54:56,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:56,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2023-12-25 13:54:56,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:56,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2023-12-25 13:54:56,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:56,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2023-12-25 13:54:56,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:54:56,529 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:54:56,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:54:56,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213818249] [2023-12-25 13:54:56,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213818249] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:54:56,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:54:56,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-25 13:54:56,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055816950] [2023-12-25 13:54:56,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:54:56,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 13:54:56,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:54:56,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 13:54:56,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-25 13:54:56,531 INFO L87 Difference]: Start difference. First operand 2709 states and 4353 transitions. Second operand has 8 states, 8 states have (on average 84.875) internal successors, (679), 8 states have internal predecessors, (679), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 13:54:57,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:54:57,114 INFO L93 Difference]: Finished difference Result 6936 states and 11178 transitions. [2023-12-25 13:54:57,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-25 13:54:57,114 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 84.875) internal successors, (679), 8 states have internal predecessors, (679), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 741 [2023-12-25 13:54:57,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:54:57,119 INFO L225 Difference]: With dead ends: 6936 [2023-12-25 13:54:57,119 INFO L226 Difference]: Without dead ends: 5521 [2023-12-25 13:54:57,121 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2023-12-25 13:54:57,121 INFO L413 NwaCegarLoop]: 5014 mSDtfsCounter, 11303 mSDsluCounter, 18533 mSDsCounter, 0 mSdLazyCounter, 527 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11316 SdHoareTripleChecker+Valid, 23547 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:54:57,121 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11316 Valid, 23547 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 527 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 13:54:57,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5521 states. [2023-12-25 13:54:57,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5521 to 2710. [2023-12-25 13:54:57,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2710 states, 2647 states have (on average 1.5984132980732906) internal successors, (4231), 2647 states have internal predecessors, (4231), 61 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2023-12-25 13:54:57,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2710 states and 4353 transitions. [2023-12-25 13:54:57,195 INFO L78 Accepts]: Start accepts. Automaton has 2710 states and 4353 transitions. Word has length 741 [2023-12-25 13:54:57,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:54:57,195 INFO L495 AbstractCegarLoop]: Abstraction has 2710 states and 4353 transitions. [2023-12-25 13:54:57,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 84.875) internal successors, (679), 8 states have internal predecessors, (679), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 13:54:57,195 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 4353 transitions. [2023-12-25 13:54:57,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 742 [2023-12-25 13:54:57,201 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:54:57,202 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:54:57,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2023-12-25 13:54:57,202 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:54:57,202 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:54:57,203 INFO L85 PathProgramCache]: Analyzing trace with hash -1689655277, now seen corresponding path program 1 times [2023-12-25 13:54:57,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:54:57,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463967149] [2023-12-25 13:54:57,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:54:57,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:54:59,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:01,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:55:01,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:01,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:55:01,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:01,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:55:01,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:01,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-12-25 13:55:01,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:01,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-12-25 13:55:01,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:01,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2023-12-25 13:55:01,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:01,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2023-12-25 13:55:01,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:01,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2023-12-25 13:55:01,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:01,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2023-12-25 13:55:01,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:01,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2023-12-25 13:55:01,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:01,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2023-12-25 13:55:01,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:01,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2023-12-25 13:55:01,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:01,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2023-12-25 13:55:01,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:01,179 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:55:01,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:55:01,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463967149] [2023-12-25 13:55:01,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463967149] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:55:01,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:55:01,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:55:01,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057165405] [2023-12-25 13:55:01,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:55:01,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:55:01,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:55:01,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:55:01,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:55:01,182 INFO L87 Difference]: Start difference. First operand 2710 states and 4353 transitions. Second operand has 5 states, 5 states have (on average 135.8) internal successors, (679), 5 states have internal predecessors, (679), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:55:01,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:55:01,404 INFO L93 Difference]: Finished difference Result 6510 states and 10442 transitions. [2023-12-25 13:55:01,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-25 13:55:01,405 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 135.8) internal successors, (679), 5 states have internal predecessors, (679), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 741 [2023-12-25 13:55:01,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:55:01,410 INFO L225 Difference]: With dead ends: 6510 [2023-12-25 13:55:01,410 INFO L226 Difference]: Without dead ends: 5097 [2023-12-25 13:55:01,412 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-25 13:55:01,412 INFO L413 NwaCegarLoop]: 3769 mSDtfsCounter, 4845 mSDsluCounter, 9888 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4845 SdHoareTripleChecker+Valid, 13657 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:55:01,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4845 Valid, 13657 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:55:01,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5097 states. [2023-12-25 13:55:01,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5097 to 3200. [2023-12-25 13:55:01,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3200 states, 3137 states have (on average 1.5932419509085114) internal successors, (4998), 3137 states have internal predecessors, (4998), 61 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2023-12-25 13:55:01,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3200 states to 3200 states and 5120 transitions. [2023-12-25 13:55:01,491 INFO L78 Accepts]: Start accepts. Automaton has 3200 states and 5120 transitions. Word has length 741 [2023-12-25 13:55:01,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:55:01,491 INFO L495 AbstractCegarLoop]: Abstraction has 3200 states and 5120 transitions. [2023-12-25 13:55:01,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 135.8) internal successors, (679), 5 states have internal predecessors, (679), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:55:01,491 INFO L276 IsEmpty]: Start isEmpty. Operand 3200 states and 5120 transitions. [2023-12-25 13:55:01,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 743 [2023-12-25 13:55:01,497 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:55:01,497 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:55:01,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2023-12-25 13:55:01,497 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:55:01,498 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:55:01,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1464165681, now seen corresponding path program 1 times [2023-12-25 13:55:01,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:55:01,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238649595] [2023-12-25 13:55:01,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:55:01,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:55:03,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:04,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:55:04,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:04,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:55:04,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:04,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:55:04,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:04,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-12-25 13:55:04,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:04,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-12-25 13:55:04,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:04,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2023-12-25 13:55:04,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:04,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2023-12-25 13:55:04,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:04,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2023-12-25 13:55:04,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:04,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2023-12-25 13:55:04,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:04,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2023-12-25 13:55:04,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:04,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2023-12-25 13:55:04,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:04,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2023-12-25 13:55:04,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:04,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2023-12-25 13:55:04,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:04,750 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:55:04,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:55:04,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238649595] [2023-12-25 13:55:04,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238649595] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:55:04,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:55:04,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:55:04,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784684557] [2023-12-25 13:55:04,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:55:04,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:55:04,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:55:04,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:55:04,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:55:04,753 INFO L87 Difference]: Start difference. First operand 3200 states and 5120 transitions. Second operand has 5 states, 5 states have (on average 136.0) internal successors, (680), 5 states have internal predecessors, (680), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 13:55:05,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:55:05,730 INFO L93 Difference]: Finished difference Result 5111 states and 8179 transitions. [2023-12-25 13:55:05,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 13:55:05,731 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 136.0) internal successors, (680), 5 states have internal predecessors, (680), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 742 [2023-12-25 13:55:05,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:55:05,734 INFO L225 Difference]: With dead ends: 5111 [2023-12-25 13:55:05,734 INFO L226 Difference]: Without dead ends: 3208 [2023-12-25 13:55:05,736 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:55:05,736 INFO L413 NwaCegarLoop]: 2116 mSDtfsCounter, 2547 mSDsluCounter, 4184 mSDsCounter, 0 mSdLazyCounter, 1711 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2551 SdHoareTripleChecker+Valid, 6300 SdHoareTripleChecker+Invalid, 1712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-25 13:55:05,736 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2551 Valid, 6300 Invalid, 1712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1711 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-25 13:55:05,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3208 states. [2023-12-25 13:55:05,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3208 to 3204. [2023-12-25 13:55:05,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3204 states, 3141 states have (on average 1.5924864692773002) internal successors, (5002), 3141 states have internal predecessors, (5002), 61 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2023-12-25 13:55:05,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3204 states to 3204 states and 5124 transitions. [2023-12-25 13:55:05,809 INFO L78 Accepts]: Start accepts. Automaton has 3204 states and 5124 transitions. Word has length 742 [2023-12-25 13:55:05,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:55:05,810 INFO L495 AbstractCegarLoop]: Abstraction has 3204 states and 5124 transitions. [2023-12-25 13:55:05,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 136.0) internal successors, (680), 5 states have internal predecessors, (680), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 13:55:05,810 INFO L276 IsEmpty]: Start isEmpty. Operand 3204 states and 5124 transitions. [2023-12-25 13:55:05,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 744 [2023-12-25 13:55:05,815 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:55:05,816 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:55:05,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2023-12-25 13:55:05,816 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:55:05,816 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:55:05,816 INFO L85 PathProgramCache]: Analyzing trace with hash 344791773, now seen corresponding path program 1 times [2023-12-25 13:55:05,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:55:05,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512371550] [2023-12-25 13:55:05,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:55:05,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:55:07,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:10,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:55:10,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:10,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:55:10,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:10,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:55:10,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:10,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-12-25 13:55:10,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:10,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-12-25 13:55:10,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:10,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2023-12-25 13:55:10,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:10,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2023-12-25 13:55:10,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:10,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2023-12-25 13:55:10,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:10,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2023-12-25 13:55:10,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:10,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2023-12-25 13:55:10,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:10,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2023-12-25 13:55:10,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:10,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2023-12-25 13:55:10,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:10,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2023-12-25 13:55:10,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:10,384 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:55:10,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:55:10,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512371550] [2023-12-25 13:55:10,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512371550] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:55:10,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:55:10,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-25 13:55:10,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732897128] [2023-12-25 13:55:10,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:55:10,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 13:55:10,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:55:10,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 13:55:10,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-25 13:55:10,386 INFO L87 Difference]: Start difference. First operand 3204 states and 5124 transitions. Second operand has 8 states, 8 states have (on average 85.125) internal successors, (681), 8 states have internal predecessors, (681), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 13:55:11,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:55:11,000 INFO L93 Difference]: Finished difference Result 8995 states and 14386 transitions. [2023-12-25 13:55:11,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-25 13:55:11,001 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 85.125) internal successors, (681), 8 states have internal predecessors, (681), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 743 [2023-12-25 13:55:11,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:55:11,008 INFO L225 Difference]: With dead ends: 8995 [2023-12-25 13:55:11,008 INFO L226 Difference]: Without dead ends: 7059 [2023-12-25 13:55:11,010 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2023-12-25 13:55:11,010 INFO L413 NwaCegarLoop]: 4922 mSDtfsCounter, 9270 mSDsluCounter, 18286 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9283 SdHoareTripleChecker+Valid, 23208 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:55:11,010 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9283 Valid, 23208 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 13:55:11,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7059 states. [2023-12-25 13:55:11,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7059 to 3206. [2023-12-25 13:55:11,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3206 states, 3143 states have (on average 1.5914731148584156) internal successors, (5002), 3143 states have internal predecessors, (5002), 61 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2023-12-25 13:55:11,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3206 states to 3206 states and 5124 transitions. [2023-12-25 13:55:11,130 INFO L78 Accepts]: Start accepts. Automaton has 3206 states and 5124 transitions. Word has length 743 [2023-12-25 13:55:11,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:55:11,130 INFO L495 AbstractCegarLoop]: Abstraction has 3206 states and 5124 transitions. [2023-12-25 13:55:11,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 85.125) internal successors, (681), 8 states have internal predecessors, (681), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 13:55:11,131 INFO L276 IsEmpty]: Start isEmpty. Operand 3206 states and 5124 transitions. [2023-12-25 13:55:11,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 744 [2023-12-25 13:55:11,137 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:55:11,137 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:55:11,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2023-12-25 13:55:11,137 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:55:11,137 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:55:11,138 INFO L85 PathProgramCache]: Analyzing trace with hash 942385017, now seen corresponding path program 1 times [2023-12-25 13:55:11,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:55:11,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557336378] [2023-12-25 13:55:11,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:55:11,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:55:12,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:13,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:55:13,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:13,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-12-25 13:55:13,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:13,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-12-25 13:55:13,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:13,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-12-25 13:55:13,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:13,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-12-25 13:55:13,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:13,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2023-12-25 13:55:13,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:13,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2023-12-25 13:55:13,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:13,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2023-12-25 13:55:13,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:13,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2023-12-25 13:55:13,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:13,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2023-12-25 13:55:13,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:13,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2023-12-25 13:55:13,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:13,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2023-12-25 13:55:13,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:13,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2023-12-25 13:55:13,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:13,573 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:55:13,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:55:13,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557336378] [2023-12-25 13:55:13,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557336378] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:55:13,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:55:13,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 13:55:13,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444847544] [2023-12-25 13:55:13,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:55:13,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-25 13:55:13,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:55:13,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-25 13:55:13,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-25 13:55:13,575 INFO L87 Difference]: Start difference. First operand 3206 states and 5124 transitions. Second operand has 7 states, 7 states have (on average 97.28571428571429) internal successors, (681), 7 states have internal predecessors, (681), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-25 13:55:14,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:55:14,421 INFO L93 Difference]: Finished difference Result 6138 states and 9730 transitions. [2023-12-25 13:55:14,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-25 13:55:14,422 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 97.28571428571429) internal successors, (681), 7 states have internal predecessors, (681), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 743 [2023-12-25 13:55:14,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:55:14,425 INFO L225 Difference]: With dead ends: 6138 [2023-12-25 13:55:14,425 INFO L226 Difference]: Without dead ends: 3265 [2023-12-25 13:55:14,428 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2023-12-25 13:55:14,428 INFO L413 NwaCegarLoop]: 2698 mSDtfsCounter, 4782 mSDsluCounter, 8009 mSDsCounter, 0 mSdLazyCounter, 744 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4782 SdHoareTripleChecker+Valid, 10707 SdHoareTripleChecker+Invalid, 782 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 744 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 13:55:14,428 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4782 Valid, 10707 Invalid, 782 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 744 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 13:55:14,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3265 states. [2023-12-25 13:55:14,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3265 to 3222. [2023-12-25 13:55:14,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3222 states, 3159 states have (on average 1.5859449192782527) internal successors, (5010), 3159 states have internal predecessors, (5010), 61 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2023-12-25 13:55:14,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3222 states to 3222 states and 5132 transitions. [2023-12-25 13:55:14,508 INFO L78 Accepts]: Start accepts. Automaton has 3222 states and 5132 transitions. Word has length 743 [2023-12-25 13:55:14,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:55:14,509 INFO L495 AbstractCegarLoop]: Abstraction has 3222 states and 5132 transitions. [2023-12-25 13:55:14,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 97.28571428571429) internal successors, (681), 7 states have internal predecessors, (681), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-25 13:55:14,509 INFO L276 IsEmpty]: Start isEmpty. Operand 3222 states and 5132 transitions. [2023-12-25 13:55:14,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 745 [2023-12-25 13:55:14,515 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:55:14,515 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:55:14,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2023-12-25 13:55:14,515 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:55:14,515 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:55:14,516 INFO L85 PathProgramCache]: Analyzing trace with hash 850755659, now seen corresponding path program 1 times [2023-12-25 13:55:14,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:55:14,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105743690] [2023-12-25 13:55:14,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:55:14,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:55:16,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:17,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:55:17,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:17,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-12-25 13:55:17,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:17,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-12-25 13:55:17,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:17,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-12-25 13:55:17,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:17,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-12-25 13:55:17,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:17,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2023-12-25 13:55:17,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:17,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2023-12-25 13:55:17,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:17,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2023-12-25 13:55:17,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:17,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2023-12-25 13:55:17,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:17,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2023-12-25 13:55:17,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:17,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2023-12-25 13:55:17,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:17,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2023-12-25 13:55:17,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:17,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2023-12-25 13:55:17,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:17,314 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:55:17,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:55:17,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105743690] [2023-12-25 13:55:17,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105743690] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:55:17,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:55:17,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 13:55:17,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317676270] [2023-12-25 13:55:17,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:55:17,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 13:55:17,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:55:17,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 13:55:17,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-25 13:55:17,316 INFO L87 Difference]: Start difference. First operand 3222 states and 5132 transitions. Second operand has 4 states, 4 states have (on average 170.5) internal successors, (682), 4 states have internal predecessors, (682), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 13:55:18,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:55:18,093 INFO L93 Difference]: Finished difference Result 5131 states and 8184 transitions. [2023-12-25 13:55:18,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:55:18,094 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 170.5) internal successors, (682), 4 states have internal predecessors, (682), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 744 [2023-12-25 13:55:18,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:55:18,097 INFO L225 Difference]: With dead ends: 5131 [2023-12-25 13:55:18,097 INFO L226 Difference]: Without dead ends: 3222 [2023-12-25 13:55:18,099 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-25 13:55:18,099 INFO L413 NwaCegarLoop]: 2115 mSDtfsCounter, 2517 mSDsluCounter, 2099 mSDsCounter, 0 mSdLazyCounter, 1128 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2518 SdHoareTripleChecker+Valid, 4214 SdHoareTripleChecker+Invalid, 1129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 13:55:18,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2518 Valid, 4214 Invalid, 1129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1128 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 13:55:18,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3222 states. [2023-12-25 13:55:18,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3222 to 3218. [2023-12-25 13:55:18,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3218 states, 3155 states have (on average 1.586053882725832) internal successors, (5004), 3155 states have internal predecessors, (5004), 61 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2023-12-25 13:55:18,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3218 states to 3218 states and 5126 transitions. [2023-12-25 13:55:18,176 INFO L78 Accepts]: Start accepts. Automaton has 3218 states and 5126 transitions. Word has length 744 [2023-12-25 13:55:18,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:55:18,177 INFO L495 AbstractCegarLoop]: Abstraction has 3218 states and 5126 transitions. [2023-12-25 13:55:18,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 170.5) internal successors, (682), 4 states have internal predecessors, (682), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 13:55:18,177 INFO L276 IsEmpty]: Start isEmpty. Operand 3218 states and 5126 transitions. [2023-12-25 13:55:18,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 745 [2023-12-25 13:55:18,184 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:55:18,184 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:55:18,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2023-12-25 13:55:18,184 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:55:18,185 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:55:18,185 INFO L85 PathProgramCache]: Analyzing trace with hash -1595450703, now seen corresponding path program 1 times [2023-12-25 13:55:18,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:55:18,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815861562] [2023-12-25 13:55:18,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:55:18,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:55:20,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:22,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:55:22,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:22,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-12-25 13:55:22,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:22,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-12-25 13:55:22,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:22,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-12-25 13:55:22,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:22,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-12-25 13:55:22,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:22,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2023-12-25 13:55:22,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:22,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2023-12-25 13:55:22,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:22,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2023-12-25 13:55:22,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:22,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2023-12-25 13:55:22,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:22,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2023-12-25 13:55:22,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:22,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2023-12-25 13:55:22,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:22,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2023-12-25 13:55:22,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:22,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2023-12-25 13:55:22,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:22,014 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:55:22,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:55:22,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815861562] [2023-12-25 13:55:22,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815861562] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:55:22,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:55:22,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:55:22,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157071351] [2023-12-25 13:55:22,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:55:22,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:55:22,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:55:22,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:55:22,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:55:22,017 INFO L87 Difference]: Start difference. First operand 3218 states and 5126 transitions. Second operand has 5 states, 5 states have (on average 136.4) internal successors, (682), 5 states have internal predecessors, (682), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:55:22,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:55:22,935 INFO L93 Difference]: Finished difference Result 5127 states and 8178 transitions. [2023-12-25 13:55:22,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 13:55:22,936 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 136.4) internal successors, (682), 5 states have internal predecessors, (682), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 744 [2023-12-25 13:55:22,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:55:22,939 INFO L225 Difference]: With dead ends: 5127 [2023-12-25 13:55:22,939 INFO L226 Difference]: Without dead ends: 3222 [2023-12-25 13:55:22,941 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:55:22,941 INFO L413 NwaCegarLoop]: 2114 mSDtfsCounter, 2157 mSDsluCounter, 4181 mSDsCounter, 0 mSdLazyCounter, 1707 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2157 SdHoareTripleChecker+Valid, 6295 SdHoareTripleChecker+Invalid, 1707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1707 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-25 13:55:22,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2157 Valid, 6295 Invalid, 1707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1707 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-25 13:55:22,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3222 states. [2023-12-25 13:55:23,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3222 to 3220. [2023-12-25 13:55:23,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3220 states, 3157 states have (on average 1.585682610072854) internal successors, (5006), 3157 states have internal predecessors, (5006), 61 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2023-12-25 13:55:23,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3220 states to 3220 states and 5128 transitions. [2023-12-25 13:55:23,016 INFO L78 Accepts]: Start accepts. Automaton has 3220 states and 5128 transitions. Word has length 744 [2023-12-25 13:55:23,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:55:23,016 INFO L495 AbstractCegarLoop]: Abstraction has 3220 states and 5128 transitions. [2023-12-25 13:55:23,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 136.4) internal successors, (682), 5 states have internal predecessors, (682), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:55:23,016 INFO L276 IsEmpty]: Start isEmpty. Operand 3220 states and 5128 transitions. [2023-12-25 13:55:23,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 745 [2023-12-25 13:55:23,021 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:55:23,022 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:55:23,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2023-12-25 13:55:23,022 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:55:23,022 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:55:23,022 INFO L85 PathProgramCache]: Analyzing trace with hash -692530125, now seen corresponding path program 1 times [2023-12-25 13:55:23,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:55:23,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722034491] [2023-12-25 13:55:23,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:55:23,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:55:26,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:27,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-12-25 13:55:27,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:27,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-12-25 13:55:27,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:27,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-12-25 13:55:27,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:27,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-12-25 13:55:27,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:27,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-12-25 13:55:27,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:27,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2023-12-25 13:55:27,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:27,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2023-12-25 13:55:27,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:27,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2023-12-25 13:55:27,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:27,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2023-12-25 13:55:27,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:27,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2023-12-25 13:55:27,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:27,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2023-12-25 13:55:27,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:27,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2023-12-25 13:55:27,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:27,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2023-12-25 13:55:27,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:27,483 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:55:27,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:55:27,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722034491] [2023-12-25 13:55:27,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722034491] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:55:27,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:55:27,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 13:55:27,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624880056] [2023-12-25 13:55:27,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:55:27,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-25 13:55:27,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:55:27,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-25 13:55:27,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-25 13:55:27,485 INFO L87 Difference]: Start difference. First operand 3220 states and 5128 transitions. Second operand has 7 states, 7 states have (on average 97.42857142857143) internal successors, (682), 7 states have internal predecessors, (682), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 13:55:28,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:55:28,299 INFO L93 Difference]: Finished difference Result 6362 states and 10036 transitions. [2023-12-25 13:55:28,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-25 13:55:28,299 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 97.42857142857143) internal successors, (682), 7 states have internal predecessors, (682), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 744 [2023-12-25 13:55:28,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:55:28,302 INFO L225 Difference]: With dead ends: 6362 [2023-12-25 13:55:28,302 INFO L226 Difference]: Without dead ends: 3265 [2023-12-25 13:55:28,305 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2023-12-25 13:55:28,305 INFO L413 NwaCegarLoop]: 2670 mSDtfsCounter, 4844 mSDsluCounter, 7915 mSDsCounter, 0 mSdLazyCounter, 736 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4844 SdHoareTripleChecker+Valid, 10585 SdHoareTripleChecker+Invalid, 784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 13:55:28,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4844 Valid, 10585 Invalid, 784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 736 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 13:55:28,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3265 states. [2023-12-25 13:55:28,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3265 to 3236. [2023-12-25 13:55:28,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3236 states, 3173 states have (on average 1.5802080050425464) internal successors, (5014), 3173 states have internal predecessors, (5014), 61 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2023-12-25 13:55:28,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3236 states to 3236 states and 5136 transitions. [2023-12-25 13:55:28,386 INFO L78 Accepts]: Start accepts. Automaton has 3236 states and 5136 transitions. Word has length 744 [2023-12-25 13:55:28,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:55:28,386 INFO L495 AbstractCegarLoop]: Abstraction has 3236 states and 5136 transitions. [2023-12-25 13:55:28,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 97.42857142857143) internal successors, (682), 7 states have internal predecessors, (682), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 13:55:28,386 INFO L276 IsEmpty]: Start isEmpty. Operand 3236 states and 5136 transitions. [2023-12-25 13:55:28,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 746 [2023-12-25 13:55:28,393 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:55:28,393 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:55:28,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2023-12-25 13:55:28,393 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:55:28,393 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:55:28,394 INFO L85 PathProgramCache]: Analyzing trace with hash 862485411, now seen corresponding path program 1 times [2023-12-25 13:55:28,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:55:28,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290783037] [2023-12-25 13:55:28,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:55:28,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:55:30,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:32,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 13:55:32,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:32,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 13:55:32,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:32,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-12-25 13:55:32,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:32,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2023-12-25 13:55:32,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:32,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-12-25 13:55:32,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:32,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2023-12-25 13:55:32,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:32,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2023-12-25 13:55:32,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:32,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2023-12-25 13:55:32,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:32,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2023-12-25 13:55:32,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:32,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2023-12-25 13:55:32,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:32,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2023-12-25 13:55:32,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:32,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2023-12-25 13:55:32,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:32,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2023-12-25 13:55:32,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:32,346 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:55:32,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:55:32,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290783037] [2023-12-25 13:55:32,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290783037] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:55:32,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:55:32,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:55:32,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163297605] [2023-12-25 13:55:32,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:55:32,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:55:32,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:55:32,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:55:32,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:55:32,348 INFO L87 Difference]: Start difference. First operand 3236 states and 5136 transitions. Second operand has 5 states, 5 states have (on average 136.6) internal successors, (683), 5 states have internal predecessors, (683), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:55:33,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:55:33,342 INFO L93 Difference]: Finished difference Result 5153 states and 8197 transitions. [2023-12-25 13:55:33,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 13:55:33,342 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 136.6) internal successors, (683), 5 states have internal predecessors, (683), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 745 [2023-12-25 13:55:33,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:55:33,346 INFO L225 Difference]: With dead ends: 5153 [2023-12-25 13:55:33,346 INFO L226 Difference]: Without dead ends: 3244 [2023-12-25 13:55:33,348 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:55:33,349 INFO L413 NwaCegarLoop]: 2113 mSDtfsCounter, 2254 mSDsluCounter, 4179 mSDsCounter, 0 mSdLazyCounter, 1707 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2254 SdHoareTripleChecker+Valid, 6292 SdHoareTripleChecker+Invalid, 1708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1707 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-25 13:55:33,349 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2254 Valid, 6292 Invalid, 1708 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1707 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-25 13:55:33,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3244 states. [2023-12-25 13:55:33,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3244 to 3240. [2023-12-25 13:55:33,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3240 states, 3177 states have (on average 1.5794774944916588) internal successors, (5018), 3177 states have internal predecessors, (5018), 61 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2023-12-25 13:55:33,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3240 states to 3240 states and 5140 transitions. [2023-12-25 13:55:33,455 INFO L78 Accepts]: Start accepts. Automaton has 3240 states and 5140 transitions. Word has length 745 [2023-12-25 13:55:33,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:55:33,455 INFO L495 AbstractCegarLoop]: Abstraction has 3240 states and 5140 transitions. [2023-12-25 13:55:33,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 136.6) internal successors, (683), 5 states have internal predecessors, (683), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:55:33,456 INFO L276 IsEmpty]: Start isEmpty. Operand 3240 states and 5140 transitions. [2023-12-25 13:55:33,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 747 [2023-12-25 13:55:33,462 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:55:33,463 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:55:33,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2023-12-25 13:55:33,463 INFO L420 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:55:33,463 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:55:33,463 INFO L85 PathProgramCache]: Analyzing trace with hash -356450235, now seen corresponding path program 1 times [2023-12-25 13:55:33,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:55:33,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380379134] [2023-12-25 13:55:33,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:55:33,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:55:36,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:37,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 13:55:37,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:37,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 13:55:37,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:37,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-12-25 13:55:37,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:37,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2023-12-25 13:55:37,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:37,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-12-25 13:55:37,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:37,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2023-12-25 13:55:37,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:37,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2023-12-25 13:55:37,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:37,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2023-12-25 13:55:37,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:37,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2023-12-25 13:55:37,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:37,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2023-12-25 13:55:37,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:37,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2023-12-25 13:55:37,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:37,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2023-12-25 13:55:37,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:37,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2023-12-25 13:55:37,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:37,745 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:55:37,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:55:37,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380379134] [2023-12-25 13:55:37,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380379134] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:55:37,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:55:37,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-25 13:55:37,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488259466] [2023-12-25 13:55:37,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:55:37,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 13:55:37,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:55:37,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 13:55:37,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-12-25 13:55:37,747 INFO L87 Difference]: Start difference. First operand 3240 states and 5140 transitions. Second operand has 8 states, 8 states have (on average 85.5) internal successors, (684), 8 states have internal predecessors, (684), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-25 13:55:39,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:55:39,949 INFO L93 Difference]: Finished difference Result 8051 states and 12756 transitions. [2023-12-25 13:55:39,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-25 13:55:39,949 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 85.5) internal successors, (684), 8 states have internal predecessors, (684), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 746 [2023-12-25 13:55:39,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:55:39,955 INFO L225 Difference]: With dead ends: 8051 [2023-12-25 13:55:39,955 INFO L226 Difference]: Without dead ends: 5825 [2023-12-25 13:55:39,957 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2023-12-25 13:55:39,957 INFO L413 NwaCegarLoop]: 4248 mSDtfsCounter, 6957 mSDsluCounter, 14690 mSDsCounter, 0 mSdLazyCounter, 3617 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6970 SdHoareTripleChecker+Valid, 18938 SdHoareTripleChecker+Invalid, 3645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 3617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-12-25 13:55:39,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6970 Valid, 18938 Invalid, 3645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 3617 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-12-25 13:55:39,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5825 states. [2023-12-25 13:55:40,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5825 to 5784. [2023-12-25 13:55:40,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5784 states, 5667 states have (on average 1.5766719604729134) internal successors, (8935), 5667 states have internal predecessors, (8935), 115 states have call successors, (115), 1 states have call predecessors, (115), 1 states have return successors, (115), 115 states have call predecessors, (115), 115 states have call successors, (115) [2023-12-25 13:55:40,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5784 states to 5784 states and 9165 transitions. [2023-12-25 13:55:40,131 INFO L78 Accepts]: Start accepts. Automaton has 5784 states and 9165 transitions. Word has length 746 [2023-12-25 13:55:40,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:55:40,131 INFO L495 AbstractCegarLoop]: Abstraction has 5784 states and 9165 transitions. [2023-12-25 13:55:40,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 85.5) internal successors, (684), 8 states have internal predecessors, (684), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-25 13:55:40,131 INFO L276 IsEmpty]: Start isEmpty. Operand 5784 states and 9165 transitions. [2023-12-25 13:55:40,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 747 [2023-12-25 13:55:40,138 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:55:40,139 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:55:40,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2023-12-25 13:55:40,139 INFO L420 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:55:40,139 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:55:40,139 INFO L85 PathProgramCache]: Analyzing trace with hash -2089493885, now seen corresponding path program 1 times [2023-12-25 13:55:40,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:55:40,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961060539] [2023-12-25 13:55:40,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:55:40,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:55:43,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:44,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 13:55:44,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:44,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 13:55:44,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:44,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-12-25 13:55:44,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:44,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2023-12-25 13:55:44,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:44,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-12-25 13:55:44,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:44,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2023-12-25 13:55:44,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:44,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2023-12-25 13:55:44,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:44,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2023-12-25 13:55:44,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:44,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2023-12-25 13:55:44,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:44,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2023-12-25 13:55:44,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:44,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2023-12-25 13:55:44,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:44,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2023-12-25 13:55:44,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:44,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2023-12-25 13:55:44,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:44,891 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:55:44,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:55:44,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961060539] [2023-12-25 13:55:44,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961060539] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:55:44,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:55:44,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-25 13:55:44,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189536653] [2023-12-25 13:55:44,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:55:44,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 13:55:44,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:55:44,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 13:55:44,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-12-25 13:55:44,894 INFO L87 Difference]: Start difference. First operand 5784 states and 9165 transitions. Second operand has 8 states, 8 states have (on average 85.5) internal successors, (684), 8 states have internal predecessors, (684), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 13:55:47,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:55:47,314 INFO L93 Difference]: Finished difference Result 7738 states and 12274 transitions. [2023-12-25 13:55:47,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-25 13:55:47,314 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 85.5) internal successors, (684), 8 states have internal predecessors, (684), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 746 [2023-12-25 13:55:47,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:55:47,320 INFO L225 Difference]: With dead ends: 7738 [2023-12-25 13:55:47,320 INFO L226 Difference]: Without dead ends: 5825 [2023-12-25 13:55:47,322 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2023-12-25 13:55:47,322 INFO L413 NwaCegarLoop]: 4240 mSDtfsCounter, 4696 mSDsluCounter, 14734 mSDsCounter, 0 mSdLazyCounter, 3617 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4709 SdHoareTripleChecker+Valid, 18974 SdHoareTripleChecker+Invalid, 3624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 3617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:55:47,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4709 Valid, 18974 Invalid, 3624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 3617 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-12-25 13:55:47,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5825 states. [2023-12-25 13:55:47,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5825 to 5784. [2023-12-25 13:55:47,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5784 states, 5667 states have (on average 1.5763190400564673) internal successors, (8933), 5667 states have internal predecessors, (8933), 115 states have call successors, (115), 1 states have call predecessors, (115), 1 states have return successors, (115), 115 states have call predecessors, (115), 115 states have call successors, (115) [2023-12-25 13:55:47,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5784 states to 5784 states and 9163 transitions. [2023-12-25 13:55:47,477 INFO L78 Accepts]: Start accepts. Automaton has 5784 states and 9163 transitions. Word has length 746 [2023-12-25 13:55:47,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:55:47,477 INFO L495 AbstractCegarLoop]: Abstraction has 5784 states and 9163 transitions. [2023-12-25 13:55:47,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 85.5) internal successors, (684), 8 states have internal predecessors, (684), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 13:55:47,478 INFO L276 IsEmpty]: Start isEmpty. Operand 5784 states and 9163 transitions. [2023-12-25 13:55:47,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 747 [2023-12-25 13:55:47,485 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:55:47,485 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:55:47,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2023-12-25 13:55:47,485 INFO L420 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:55:47,485 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:55:47,486 INFO L85 PathProgramCache]: Analyzing trace with hash -2052640379, now seen corresponding path program 1 times [2023-12-25 13:55:47,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:55:47,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515611827] [2023-12-25 13:55:47,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:55:47,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:55:50,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:51,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 13:55:51,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:51,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 13:55:51,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:51,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-12-25 13:55:51,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:51,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2023-12-25 13:55:51,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:51,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-12-25 13:55:51,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:51,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2023-12-25 13:55:51,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:51,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2023-12-25 13:55:51,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:51,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2023-12-25 13:55:51,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:51,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2023-12-25 13:55:51,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:51,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2023-12-25 13:55:51,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:51,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2023-12-25 13:55:51,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:51,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2023-12-25 13:55:51,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:51,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2023-12-25 13:55:51,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:51,727 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:55:51,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:55:51,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515611827] [2023-12-25 13:55:51,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515611827] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:55:51,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:55:51,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 13:55:51,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480685598] [2023-12-25 13:55:51,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:55:51,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-25 13:55:51,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:55:51,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-25 13:55:51,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-25 13:55:51,730 INFO L87 Difference]: Start difference. First operand 5784 states and 9163 transitions. Second operand has 7 states, 7 states have (on average 97.71428571428571) internal successors, (684), 7 states have internal predecessors, (684), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 13:55:53,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:55:53,043 INFO L93 Difference]: Finished difference Result 10368 states and 16420 transitions. [2023-12-25 13:55:53,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 13:55:53,044 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 97.71428571428571) internal successors, (684), 7 states have internal predecessors, (684), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 746 [2023-12-25 13:55:53,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:55:53,050 INFO L225 Difference]: With dead ends: 10368 [2023-12-25 13:55:53,050 INFO L226 Difference]: Without dead ends: 5993 [2023-12-25 13:55:53,056 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2023-12-25 13:55:53,056 INFO L413 NwaCegarLoop]: 2174 mSDtfsCounter, 4813 mSDsluCounter, 4866 mSDsCounter, 0 mSdLazyCounter, 2063 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4813 SdHoareTripleChecker+Valid, 7040 SdHoareTripleChecker+Invalid, 2086 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 2063 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:55:53,056 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4813 Valid, 7040 Invalid, 2086 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 2063 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-25 13:55:53,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5993 states. [2023-12-25 13:55:53,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5993 to 5800. [2023-12-25 13:55:53,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5800 states, 5683 states have (on average 1.5732887559387647) internal successors, (8941), 5683 states have internal predecessors, (8941), 115 states have call successors, (115), 1 states have call predecessors, (115), 1 states have return successors, (115), 115 states have call predecessors, (115), 115 states have call successors, (115) [2023-12-25 13:55:53,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5800 states to 5800 states and 9171 transitions. [2023-12-25 13:55:53,216 INFO L78 Accepts]: Start accepts. Automaton has 5800 states and 9171 transitions. Word has length 746 [2023-12-25 13:55:53,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:55:53,216 INFO L495 AbstractCegarLoop]: Abstraction has 5800 states and 9171 transitions. [2023-12-25 13:55:53,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 97.71428571428571) internal successors, (684), 7 states have internal predecessors, (684), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 13:55:53,216 INFO L276 IsEmpty]: Start isEmpty. Operand 5800 states and 9171 transitions. [2023-12-25 13:55:53,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 748 [2023-12-25 13:55:53,225 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:55:53,225 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:55:53,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2023-12-25 13:55:53,225 INFO L420 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:55:53,225 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:55:53,226 INFO L85 PathProgramCache]: Analyzing trace with hash 563107087, now seen corresponding path program 1 times [2023-12-25 13:55:53,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:55:53,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627427734] [2023-12-25 13:55:53,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:55:53,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:55:56,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:57,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 13:55:57,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:57,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 13:55:57,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:57,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-12-25 13:55:57,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:57,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2023-12-25 13:55:57,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:57,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-12-25 13:55:57,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:57,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-12-25 13:55:57,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:57,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-12-25 13:55:57,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:57,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2023-12-25 13:55:57,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:57,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2023-12-25 13:55:57,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:57,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2023-12-25 13:55:57,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:57,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2023-12-25 13:55:57,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:57,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2023-12-25 13:55:57,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:57,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2023-12-25 13:55:57,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:55:57,908 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:55:57,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:55:57,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627427734] [2023-12-25 13:55:57,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627427734] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:55:57,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:55:57,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-25 13:55:57,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707546491] [2023-12-25 13:55:57,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:55:57,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 13:55:57,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:55:57,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 13:55:57,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-12-25 13:55:57,910 INFO L87 Difference]: Start difference. First operand 5800 states and 9171 transitions. Second operand has 8 states, 8 states have (on average 85.625) internal successors, (685), 8 states have internal predecessors, (685), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-25 13:55:58,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:55:58,539 INFO L93 Difference]: Finished difference Result 20027 states and 31686 transitions. [2023-12-25 13:55:58,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 13:55:58,539 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 85.625) internal successors, (685), 8 states have internal predecessors, (685), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 747 [2023-12-25 13:55:58,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:55:58,557 INFO L225 Difference]: With dead ends: 20027 [2023-12-25 13:55:58,558 INFO L226 Difference]: Without dead ends: 16044 [2023-12-25 13:55:58,565 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-12-25 13:55:58,566 INFO L413 NwaCegarLoop]: 4924 mSDtfsCounter, 9021 mSDsluCounter, 17062 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9043 SdHoareTripleChecker+Valid, 21986 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:55:58,566 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9043 Valid, 21986 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:55:58,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16044 states. [2023-12-25 13:55:58,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16044 to 7675. [2023-12-25 13:55:58,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7675 states, 7462 states have (on average 1.556419190565532) internal successors, (11614), 7462 states have internal predecessors, (11614), 211 states have call successors, (211), 1 states have call predecessors, (211), 1 states have return successors, (211), 211 states have call predecessors, (211), 211 states have call successors, (211) [2023-12-25 13:55:58,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7675 states to 7675 states and 12036 transitions. [2023-12-25 13:55:58,902 INFO L78 Accepts]: Start accepts. Automaton has 7675 states and 12036 transitions. Word has length 747 [2023-12-25 13:55:58,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:55:58,902 INFO L495 AbstractCegarLoop]: Abstraction has 7675 states and 12036 transitions. [2023-12-25 13:55:58,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 85.625) internal successors, (685), 8 states have internal predecessors, (685), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-25 13:55:58,903 INFO L276 IsEmpty]: Start isEmpty. Operand 7675 states and 12036 transitions. [2023-12-25 13:55:58,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 748 [2023-12-25 13:55:58,915 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:55:58,915 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:55:58,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2023-12-25 13:55:58,916 INFO L420 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:55:58,916 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:55:58,916 INFO L85 PathProgramCache]: Analyzing trace with hash 329538717, now seen corresponding path program 1 times [2023-12-25 13:55:58,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:55:58,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571823509] [2023-12-25 13:55:58,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:55:58,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:55:59,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:00,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 13:56:00,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:00,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 13:56:00,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:00,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-12-25 13:56:00,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:00,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2023-12-25 13:56:00,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:00,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-12-25 13:56:00,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:00,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-12-25 13:56:00,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:00,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-12-25 13:56:00,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:00,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2023-12-25 13:56:00,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:00,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2023-12-25 13:56:00,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:00,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2023-12-25 13:56:00,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:00,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2023-12-25 13:56:00,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:00,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2023-12-25 13:56:00,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:00,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2023-12-25 13:56:00,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:00,155 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:56:00,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:56:00,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571823509] [2023-12-25 13:56:00,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571823509] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:56:00,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:56:00,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:56:00,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005712025] [2023-12-25 13:56:00,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:56:00,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:56:00,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:56:00,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:56:00,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:56:00,157 INFO L87 Difference]: Start difference. First operand 7675 states and 12036 transitions. Second operand has 5 states, 5 states have (on average 137.0) internal successors, (685), 5 states have internal predecessors, (685), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 13:56:01,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:56:01,332 INFO L93 Difference]: Finished difference Result 12276 states and 19304 transitions. [2023-12-25 13:56:01,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 13:56:01,333 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 137.0) internal successors, (685), 5 states have internal predecessors, (685), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 747 [2023-12-25 13:56:01,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:56:01,340 INFO L225 Difference]: With dead ends: 12276 [2023-12-25 13:56:01,340 INFO L226 Difference]: Without dead ends: 7723 [2023-12-25 13:56:01,344 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:56:01,344 INFO L413 NwaCegarLoop]: 2112 mSDtfsCounter, 2607 mSDsluCounter, 4156 mSDsCounter, 0 mSdLazyCounter, 1728 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2616 SdHoareTripleChecker+Valid, 6268 SdHoareTripleChecker+Invalid, 1730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-25 13:56:01,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2616 Valid, 6268 Invalid, 1730 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1728 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-25 13:56:01,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7723 states. [2023-12-25 13:56:01,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7723 to 7707. [2023-12-25 13:56:01,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7707 states, 7494 states have (on average 1.5540432345876702) internal successors, (11646), 7494 states have internal predecessors, (11646), 211 states have call successors, (211), 1 states have call predecessors, (211), 1 states have return successors, (211), 211 states have call predecessors, (211), 211 states have call successors, (211) [2023-12-25 13:56:01,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7707 states to 7707 states and 12068 transitions. [2023-12-25 13:56:01,602 INFO L78 Accepts]: Start accepts. Automaton has 7707 states and 12068 transitions. Word has length 747 [2023-12-25 13:56:01,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:56:01,602 INFO L495 AbstractCegarLoop]: Abstraction has 7707 states and 12068 transitions. [2023-12-25 13:56:01,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 137.0) internal successors, (685), 5 states have internal predecessors, (685), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 13:56:01,602 INFO L276 IsEmpty]: Start isEmpty. Operand 7707 states and 12068 transitions. [2023-12-25 13:56:01,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 749 [2023-12-25 13:56:01,611 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:56:01,611 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:56:01,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2023-12-25 13:56:01,612 INFO L420 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:56:01,612 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:56:01,612 INFO L85 PathProgramCache]: Analyzing trace with hash -58330689, now seen corresponding path program 1 times [2023-12-25 13:56:01,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:56:01,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809835253] [2023-12-25 13:56:01,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:56:01,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:56:03,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:04,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 13:56:04,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:04,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 13:56:04,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:04,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-12-25 13:56:04,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:04,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2023-12-25 13:56:04,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:04,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-12-25 13:56:04,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:04,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-12-25 13:56:04,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:04,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-12-25 13:56:04,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:04,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2023-12-25 13:56:04,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:04,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2023-12-25 13:56:04,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:04,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2023-12-25 13:56:04,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:04,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2023-12-25 13:56:04,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:04,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2023-12-25 13:56:04,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:04,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2023-12-25 13:56:04,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:04,368 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:56:04,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:56:04,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809835253] [2023-12-25 13:56:04,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809835253] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:56:04,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:56:04,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:56:04,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779081196] [2023-12-25 13:56:04,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:56:04,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:56:04,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:56:04,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:56:04,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:56:04,370 INFO L87 Difference]: Start difference. First operand 7707 states and 12068 transitions. Second operand has 5 states, 5 states have (on average 137.2) internal successors, (686), 5 states have internal predecessors, (686), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-25 13:56:04,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:56:04,920 INFO L93 Difference]: Finished difference Result 16579 states and 26108 transitions. [2023-12-25 13:56:04,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-25 13:56:04,921 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 137.2) internal successors, (686), 5 states have internal predecessors, (686), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 748 [2023-12-25 13:56:04,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:56:04,936 INFO L225 Difference]: With dead ends: 16579 [2023-12-25 13:56:04,936 INFO L226 Difference]: Without dead ends: 12592 [2023-12-25 13:56:04,943 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-25 13:56:04,943 INFO L413 NwaCegarLoop]: 3025 mSDtfsCounter, 4438 mSDsluCounter, 8523 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4443 SdHoareTripleChecker+Valid, 11548 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:56:04,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4443 Valid, 11548 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:56:04,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12592 states. [2023-12-25 13:56:05,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12592 to 8435. [2023-12-25 13:56:05,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8435 states, 8182 states have (on average 1.5460767538499145) internal successors, (12650), 8182 states have internal predecessors, (12650), 251 states have call successors, (251), 1 states have call predecessors, (251), 1 states have return successors, (251), 251 states have call predecessors, (251), 251 states have call successors, (251) [2023-12-25 13:56:05,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8435 states to 8435 states and 13152 transitions. [2023-12-25 13:56:05,436 INFO L78 Accepts]: Start accepts. Automaton has 8435 states and 13152 transitions. Word has length 748 [2023-12-25 13:56:05,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:56:05,436 INFO L495 AbstractCegarLoop]: Abstraction has 8435 states and 13152 transitions. [2023-12-25 13:56:05,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 137.2) internal successors, (686), 5 states have internal predecessors, (686), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-25 13:56:05,437 INFO L276 IsEmpty]: Start isEmpty. Operand 8435 states and 13152 transitions. [2023-12-25 13:56:05,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 749 [2023-12-25 13:56:05,447 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:56:05,447 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:56:05,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2023-12-25 13:56:05,447 INFO L420 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:56:05,447 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:56:05,447 INFO L85 PathProgramCache]: Analyzing trace with hash 561672001, now seen corresponding path program 1 times [2023-12-25 13:56:05,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:56:05,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968293492] [2023-12-25 13:56:05,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:56:05,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:56:09,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:10,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 13:56:10,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:10,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 13:56:10,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:10,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-12-25 13:56:10,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:10,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2023-12-25 13:56:10,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:10,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-12-25 13:56:10,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:10,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-12-25 13:56:10,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:10,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-12-25 13:56:10,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:10,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2023-12-25 13:56:10,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:10,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2023-12-25 13:56:10,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:10,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2023-12-25 13:56:10,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:10,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2023-12-25 13:56:10,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:10,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2023-12-25 13:56:10,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:10,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2023-12-25 13:56:10,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:10,104 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:56:10,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:56:10,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968293492] [2023-12-25 13:56:10,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968293492] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:56:10,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:56:10,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 13:56:10,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064791595] [2023-12-25 13:56:10,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:56:10,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-25 13:56:10,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:56:10,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-25 13:56:10,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-25 13:56:10,106 INFO L87 Difference]: Start difference. First operand 8435 states and 13152 transitions. Second operand has 7 states, 7 states have (on average 98.0) internal successors, (686), 7 states have internal predecessors, (686), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 13:56:11,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:56:11,758 INFO L93 Difference]: Finished difference Result 13123 states and 20547 transitions. [2023-12-25 13:56:11,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 13:56:11,758 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 98.0) internal successors, (686), 7 states have internal predecessors, (686), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 748 [2023-12-25 13:56:11,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:56:11,766 INFO L225 Difference]: With dead ends: 13123 [2023-12-25 13:56:11,766 INFO L226 Difference]: Without dead ends: 8972 [2023-12-25 13:56:11,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2023-12-25 13:56:11,770 INFO L413 NwaCegarLoop]: 2231 mSDtfsCounter, 7138 mSDsluCounter, 5007 mSDsCounter, 0 mSdLazyCounter, 2188 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7138 SdHoareTripleChecker+Valid, 7238 SdHoareTripleChecker+Invalid, 2211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 2188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:56:11,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7138 Valid, 7238 Invalid, 2211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 2188 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-25 13:56:11,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8972 states. [2023-12-25 13:56:12,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8972 to 8451. [2023-12-25 13:56:12,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8451 states, 8198 states have (on average 1.544035130519639) internal successors, (12658), 8198 states have internal predecessors, (12658), 251 states have call successors, (251), 1 states have call predecessors, (251), 1 states have return successors, (251), 251 states have call predecessors, (251), 251 states have call successors, (251) [2023-12-25 13:56:12,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8451 states to 8451 states and 13160 transitions. [2023-12-25 13:56:12,073 INFO L78 Accepts]: Start accepts. Automaton has 8451 states and 13160 transitions. Word has length 748 [2023-12-25 13:56:12,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:56:12,074 INFO L495 AbstractCegarLoop]: Abstraction has 8451 states and 13160 transitions. [2023-12-25 13:56:12,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 98.0) internal successors, (686), 7 states have internal predecessors, (686), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 13:56:12,074 INFO L276 IsEmpty]: Start isEmpty. Operand 8451 states and 13160 transitions. [2023-12-25 13:56:12,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 750 [2023-12-25 13:56:12,084 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:56:12,085 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:56:12,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2023-12-25 13:56:12,085 INFO L420 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:56:12,085 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:56:12,085 INFO L85 PathProgramCache]: Analyzing trace with hash -1914454859, now seen corresponding path program 1 times [2023-12-25 13:56:12,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:56:12,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178692625] [2023-12-25 13:56:12,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:56:12,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:56:15,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:17,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 13:56:17,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:17,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 13:56:17,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:17,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-12-25 13:56:17,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:17,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2023-12-25 13:56:17,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:17,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-12-25 13:56:17,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:17,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-12-25 13:56:17,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:17,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-12-25 13:56:17,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:17,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2023-12-25 13:56:17,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:17,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2023-12-25 13:56:17,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:17,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2023-12-25 13:56:17,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:17,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 13:56:17,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:17,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-25 13:56:17,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:17,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2023-12-25 13:56:17,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:17,135 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:56:17,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:56:17,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178692625] [2023-12-25 13:56:17,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178692625] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:56:17,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:56:17,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-25 13:56:17,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462697329] [2023-12-25 13:56:17,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:56:17,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 13:56:17,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:56:17,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 13:56:17,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-12-25 13:56:17,138 INFO L87 Difference]: Start difference. First operand 8451 states and 13160 transitions. Second operand has 8 states, 8 states have (on average 85.875) internal successors, (687), 8 states have internal predecessors, (687), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-25 13:56:18,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:56:18,203 INFO L93 Difference]: Finished difference Result 26023 states and 40640 transitions. [2023-12-25 13:56:18,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 13:56:18,204 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 85.875) internal successors, (687), 8 states have internal predecessors, (687), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 749 [2023-12-25 13:56:18,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:56:18,227 INFO L225 Difference]: With dead ends: 26023 [2023-12-25 13:56:18,228 INFO L226 Difference]: Without dead ends: 21970 [2023-12-25 13:56:18,236 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-12-25 13:56:18,237 INFO L413 NwaCegarLoop]: 4858 mSDtfsCounter, 8880 mSDsluCounter, 18120 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8900 SdHoareTripleChecker+Valid, 22978 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:56:18,237 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8900 Valid, 22978 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:56:18,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21970 states. [2023-12-25 13:56:18,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21970 to 13063. [2023-12-25 13:56:18,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13063 states, 12566 states have (on average 1.5239535253859622) internal successors, (19150), 12566 states have internal predecessors, (19150), 495 states have call successors, (495), 1 states have call predecessors, (495), 1 states have return successors, (495), 495 states have call predecessors, (495), 495 states have call successors, (495) [2023-12-25 13:56:18,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13063 states to 13063 states and 20140 transitions. [2023-12-25 13:56:18,905 INFO L78 Accepts]: Start accepts. Automaton has 13063 states and 20140 transitions. Word has length 749 [2023-12-25 13:56:18,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:56:18,905 INFO L495 AbstractCegarLoop]: Abstraction has 13063 states and 20140 transitions. [2023-12-25 13:56:18,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 85.875) internal successors, (687), 8 states have internal predecessors, (687), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-25 13:56:18,906 INFO L276 IsEmpty]: Start isEmpty. Operand 13063 states and 20140 transitions. [2023-12-25 13:56:18,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 750 [2023-12-25 13:56:18,920 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:56:18,920 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:56:18,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2023-12-25 13:56:18,921 INFO L420 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:56:18,921 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:56:18,921 INFO L85 PathProgramCache]: Analyzing trace with hash -1085629847, now seen corresponding path program 1 times [2023-12-25 13:56:18,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:56:18,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421179852] [2023-12-25 13:56:18,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:56:18,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:56:19,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:19,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 13:56:19,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:19,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 13:56:19,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:19,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-12-25 13:56:19,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:19,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2023-12-25 13:56:19,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:19,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-12-25 13:56:19,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:19,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-12-25 13:56:19,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:19,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-12-25 13:56:19,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:19,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2023-12-25 13:56:19,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:19,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2023-12-25 13:56:19,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:19,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2023-12-25 13:56:19,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:19,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 13:56:19,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:19,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-12-25 13:56:19,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:19,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2023-12-25 13:56:19,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:19,889 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:56:19,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:56:19,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421179852] [2023-12-25 13:56:19,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421179852] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:56:19,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:56:19,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 13:56:19,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148315931] [2023-12-25 13:56:19,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:56:19,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 13:56:19,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:56:19,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 13:56:19,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 13:56:19,891 INFO L87 Difference]: Start difference. First operand 13063 states and 20140 transitions. Second operand has 4 states, 4 states have (on average 171.75) internal successors, (687), 4 states have internal predecessors, (687), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 13:56:20,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:56:20,493 INFO L93 Difference]: Finished difference Result 18404 states and 28468 transitions. [2023-12-25 13:56:20,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:56:20,493 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 171.75) internal successors, (687), 4 states have internal predecessors, (687), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 749 [2023-12-25 13:56:20,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:56:20,509 INFO L225 Difference]: With dead ends: 18404 [2023-12-25 13:56:20,509 INFO L226 Difference]: Without dead ends: 13207 [2023-12-25 13:56:20,517 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 13:56:20,518 INFO L413 NwaCegarLoop]: 2667 mSDtfsCounter, 1 mSDsluCounter, 5307 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 7974 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:56:20,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 7974 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:56:20,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13207 states. [2023-12-25 13:56:21,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13207 to 13159. [2023-12-25 13:56:21,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13159 states, 12662 states have (on average 1.5199810456483969) internal successors, (19246), 12662 states have internal predecessors, (19246), 495 states have call successors, (495), 1 states have call predecessors, (495), 1 states have return successors, (495), 495 states have call predecessors, (495), 495 states have call successors, (495) [2023-12-25 13:56:21,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13159 states to 13159 states and 20236 transitions. [2023-12-25 13:56:21,231 INFO L78 Accepts]: Start accepts. Automaton has 13159 states and 20236 transitions. Word has length 749 [2023-12-25 13:56:21,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:56:21,231 INFO L495 AbstractCegarLoop]: Abstraction has 13159 states and 20236 transitions. [2023-12-25 13:56:21,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 171.75) internal successors, (687), 4 states have internal predecessors, (687), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 13:56:21,232 INFO L276 IsEmpty]: Start isEmpty. Operand 13159 states and 20236 transitions. [2023-12-25 13:56:21,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 751 [2023-12-25 13:56:21,246 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:56:21,246 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:56:21,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2023-12-25 13:56:21,247 INFO L420 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:56:21,247 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:56:21,247 INFO L85 PathProgramCache]: Analyzing trace with hash -306078683, now seen corresponding path program 1 times [2023-12-25 13:56:21,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:56:21,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388357575] [2023-12-25 13:56:21,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:56:21,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:56:23,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:24,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 13:56:24,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:24,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 13:56:24,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:24,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-12-25 13:56:24,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:24,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2023-12-25 13:56:24,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:24,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-12-25 13:56:24,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:24,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-12-25 13:56:24,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:24,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-12-25 13:56:24,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:24,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2023-12-25 13:56:24,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:24,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2023-12-25 13:56:24,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:24,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2023-12-25 13:56:24,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:24,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 13:56:24,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:24,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2023-12-25 13:56:24,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:24,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2023-12-25 13:56:24,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:24,055 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:56:24,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:56:24,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388357575] [2023-12-25 13:56:24,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388357575] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:56:24,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:56:24,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:56:24,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399028696] [2023-12-25 13:56:24,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:56:24,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:56:24,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:56:24,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:56:24,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:56:24,057 INFO L87 Difference]: Start difference. First operand 13159 states and 20236 transitions. Second operand has 5 states, 5 states have (on average 137.6) internal successors, (688), 5 states have internal predecessors, (688), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-25 13:56:25,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:56:25,015 INFO L93 Difference]: Finished difference Result 22805 states and 35369 transitions. [2023-12-25 13:56:25,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-25 13:56:25,015 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 137.6) internal successors, (688), 5 states have internal predecessors, (688), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 750 [2023-12-25 13:56:25,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:56:25,033 INFO L225 Difference]: With dead ends: 22805 [2023-12-25 13:56:25,033 INFO L226 Difference]: Without dead ends: 18744 [2023-12-25 13:56:25,036 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-25 13:56:25,036 INFO L413 NwaCegarLoop]: 2957 mSDtfsCounter, 4459 mSDsluCounter, 8398 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4464 SdHoareTripleChecker+Valid, 11355 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:56:25,036 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4464 Valid, 11355 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 13:56:25,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18744 states. [2023-12-25 13:56:25,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18744 to 14459. [2023-12-25 13:56:25,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14459 states, 13878 states have (on average 1.5121775471970025) internal successors, (20986), 13878 states have internal predecessors, (20986), 579 states have call successors, (579), 1 states have call predecessors, (579), 1 states have return successors, (579), 579 states have call predecessors, (579), 579 states have call successors, (579) [2023-12-25 13:56:25,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14459 states to 14459 states and 22144 transitions. [2023-12-25 13:56:25,791 INFO L78 Accepts]: Start accepts. Automaton has 14459 states and 22144 transitions. Word has length 750 [2023-12-25 13:56:25,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:56:25,792 INFO L495 AbstractCegarLoop]: Abstraction has 14459 states and 22144 transitions. [2023-12-25 13:56:25,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 137.6) internal successors, (688), 5 states have internal predecessors, (688), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-25 13:56:25,792 INFO L276 IsEmpty]: Start isEmpty. Operand 14459 states and 22144 transitions. [2023-12-25 13:56:25,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 751 [2023-12-25 13:56:25,810 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:56:25,811 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:56:25,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2023-12-25 13:56:25,811 INFO L420 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:56:25,811 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:56:25,811 INFO L85 PathProgramCache]: Analyzing trace with hash -387989405, now seen corresponding path program 1 times [2023-12-25 13:56:25,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:56:25,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99480008] [2023-12-25 13:56:25,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:56:25,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:56:28,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:29,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 13:56:29,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:29,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 13:56:29,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:29,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-12-25 13:56:29,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:29,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2023-12-25 13:56:29,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:29,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-12-25 13:56:29,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:29,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-12-25 13:56:29,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:29,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-12-25 13:56:29,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:29,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2023-12-25 13:56:29,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:29,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2023-12-25 13:56:29,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:29,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2023-12-25 13:56:29,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:29,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 13:56:29,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:29,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2023-12-25 13:56:29,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:29,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2023-12-25 13:56:29,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:29,966 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:56:29,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:56:29,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99480008] [2023-12-25 13:56:29,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99480008] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:56:29,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:56:29,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-25 13:56:29,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985606961] [2023-12-25 13:56:29,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:56:29,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-25 13:56:29,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:56:29,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-25 13:56:29,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:56:29,968 INFO L87 Difference]: Start difference. First operand 14459 states and 22144 transitions. Second operand has 6 states, 6 states have (on average 114.66666666666667) internal successors, (688), 6 states have internal predecessors, (688), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 13:56:31,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:56:31,416 INFO L93 Difference]: Finished difference Result 14526 states and 22225 transitions. [2023-12-25 13:56:31,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 13:56:31,417 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 114.66666666666667) internal successors, (688), 6 states have internal predecessors, (688), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 750 [2023-12-25 13:56:31,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:56:31,426 INFO L225 Difference]: With dead ends: 14526 [2023-12-25 13:56:31,427 INFO L226 Difference]: Without dead ends: 8422 [2023-12-25 13:56:31,433 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-12-25 13:56:31,433 INFO L413 NwaCegarLoop]: 2108 mSDtfsCounter, 4675 mSDsluCounter, 4656 mSDsCounter, 0 mSdLazyCounter, 1875 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4675 SdHoareTripleChecker+Valid, 6764 SdHoareTripleChecker+Invalid, 1900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1875 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:56:31,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4675 Valid, 6764 Invalid, 1900 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1875 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-25 13:56:31,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8422 states. [2023-12-25 13:56:31,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8422 to 8361. [2023-12-25 13:56:31,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8361 states, 8054 states have (on average 1.5201142289545568) internal successors, (12243), 8054 states have internal predecessors, (12243), 305 states have call successors, (305), 1 states have call predecessors, (305), 1 states have return successors, (305), 305 states have call predecessors, (305), 305 states have call successors, (305) [2023-12-25 13:56:31,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8361 states to 8361 states and 12853 transitions. [2023-12-25 13:56:31,849 INFO L78 Accepts]: Start accepts. Automaton has 8361 states and 12853 transitions. Word has length 750 [2023-12-25 13:56:31,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:56:31,849 INFO L495 AbstractCegarLoop]: Abstraction has 8361 states and 12853 transitions. [2023-12-25 13:56:31,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 114.66666666666667) internal successors, (688), 6 states have internal predecessors, (688), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 13:56:31,850 INFO L276 IsEmpty]: Start isEmpty. Operand 8361 states and 12853 transitions. [2023-12-25 13:56:31,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 751 [2023-12-25 13:56:31,861 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:56:31,861 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:56:31,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2023-12-25 13:56:31,861 INFO L420 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:56:31,862 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:56:31,862 INFO L85 PathProgramCache]: Analyzing trace with hash 551632865, now seen corresponding path program 1 times [2023-12-25 13:56:31,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:56:31,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795470207] [2023-12-25 13:56:31,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:56:31,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:56:35,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:38,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 13:56:38,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:38,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 13:56:38,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:38,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-12-25 13:56:38,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:38,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2023-12-25 13:56:38,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:38,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-12-25 13:56:38,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:38,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-12-25 13:56:38,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:38,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-12-25 13:56:38,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:38,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2023-12-25 13:56:38,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:38,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2023-12-25 13:56:38,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:38,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2023-12-25 13:56:38,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:38,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 13:56:38,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:38,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2023-12-25 13:56:38,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:38,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2023-12-25 13:56:38,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:38,109 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:56:38,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:56:38,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795470207] [2023-12-25 13:56:38,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795470207] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:56:38,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:56:38,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-25 13:56:38,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431703687] [2023-12-25 13:56:38,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:56:38,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-25 13:56:38,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:56:38,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-25 13:56:38,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-12-25 13:56:38,111 INFO L87 Difference]: Start difference. First operand 8361 states and 12853 transitions. Second operand has 10 states, 10 states have (on average 68.8) internal successors, (688), 10 states have internal predecessors, (688), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:56:40,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:56:40,468 INFO L93 Difference]: Finished difference Result 32750 states and 50098 transitions. [2023-12-25 13:56:40,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-25 13:56:40,469 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 68.8) internal successors, (688), 10 states have internal predecessors, (688), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 750 [2023-12-25 13:56:40,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:56:40,502 INFO L225 Difference]: With dead ends: 32750 [2023-12-25 13:56:40,502 INFO L226 Difference]: Without dead ends: 30617 [2023-12-25 13:56:40,510 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2023-12-25 13:56:40,510 INFO L413 NwaCegarLoop]: 4978 mSDtfsCounter, 13655 mSDsluCounter, 24420 mSDsCounter, 0 mSdLazyCounter, 930 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13681 SdHoareTripleChecker+Valid, 29398 SdHoareTripleChecker+Invalid, 977 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 930 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 13:56:40,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13681 Valid, 29398 Invalid, 977 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 930 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 13:56:40,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30617 states. [2023-12-25 13:56:41,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30617 to 14889. [2023-12-25 13:56:41,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14889 states, 14277 states have (on average 1.5080198921342018) internal successors, (21530), 14277 states have internal predecessors, (21530), 610 states have call successors, (610), 1 states have call predecessors, (610), 1 states have return successors, (610), 610 states have call predecessors, (610), 610 states have call successors, (610) [2023-12-25 13:56:41,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14889 states to 14889 states and 22750 transitions. [2023-12-25 13:56:41,645 INFO L78 Accepts]: Start accepts. Automaton has 14889 states and 22750 transitions. Word has length 750 [2023-12-25 13:56:41,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:56:41,645 INFO L495 AbstractCegarLoop]: Abstraction has 14889 states and 22750 transitions. [2023-12-25 13:56:41,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 68.8) internal successors, (688), 10 states have internal predecessors, (688), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:56:41,645 INFO L276 IsEmpty]: Start isEmpty. Operand 14889 states and 22750 transitions. [2023-12-25 13:56:41,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 751 [2023-12-25 13:56:41,669 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:56:41,670 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:56:41,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2023-12-25 13:56:41,670 INFO L420 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:56:41,670 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:56:41,671 INFO L85 PathProgramCache]: Analyzing trace with hash 1669796733, now seen corresponding path program 1 times [2023-12-25 13:56:41,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:56:41,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335413347] [2023-12-25 13:56:41,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:56:41,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:56:44,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:46,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 13:56:46,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:46,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 13:56:46,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:46,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-12-25 13:56:46,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:46,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2023-12-25 13:56:46,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:46,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-12-25 13:56:46,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:46,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-12-25 13:56:46,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:46,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-12-25 13:56:46,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:46,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2023-12-25 13:56:46,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:46,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2023-12-25 13:56:46,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:46,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2023-12-25 13:56:46,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:46,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 13:56:46,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:46,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2023-12-25 13:56:46,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:46,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2023-12-25 13:56:46,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:46,211 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:56:46,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:56:46,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335413347] [2023-12-25 13:56:46,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335413347] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:56:46,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:56:46,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 13:56:46,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099554601] [2023-12-25 13:56:46,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:56:46,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-25 13:56:46,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:56:46,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-25 13:56:46,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-12-25 13:56:46,213 INFO L87 Difference]: Start difference. First operand 14889 states and 22750 transitions. Second operand has 7 states, 7 states have (on average 98.28571428571429) internal successors, (688), 7 states have internal predecessors, (688), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 13:56:48,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:56:48,305 INFO L93 Difference]: Finished difference Result 35813 states and 54023 transitions. [2023-12-25 13:56:48,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-25 13:56:48,306 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 98.28571428571429) internal successors, (688), 7 states have internal predecessors, (688), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 750 [2023-12-25 13:56:48,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:56:48,335 INFO L225 Difference]: With dead ends: 35813 [2023-12-25 13:56:48,335 INFO L226 Difference]: Without dead ends: 28855 [2023-12-25 13:56:48,343 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2023-12-25 13:56:48,344 INFO L413 NwaCegarLoop]: 6794 mSDtfsCounter, 7152 mSDsluCounter, 20870 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7173 SdHoareTripleChecker+Valid, 27664 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:56:48,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7173 Valid, 27664 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 13:56:48,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28855 states. [2023-12-25 13:56:49,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28855 to 15129. [2023-12-25 13:56:49,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15129 states, 14517 states have (on average 1.5029276021216504) internal successors, (21818), 14517 states have internal predecessors, (21818), 610 states have call successors, (610), 1 states have call predecessors, (610), 1 states have return successors, (610), 610 states have call predecessors, (610), 610 states have call successors, (610) [2023-12-25 13:56:49,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15129 states to 15129 states and 23038 transitions. [2023-12-25 13:56:49,347 INFO L78 Accepts]: Start accepts. Automaton has 15129 states and 23038 transitions. Word has length 750 [2023-12-25 13:56:49,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:56:49,347 INFO L495 AbstractCegarLoop]: Abstraction has 15129 states and 23038 transitions. [2023-12-25 13:56:49,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 98.28571428571429) internal successors, (688), 7 states have internal predecessors, (688), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 13:56:49,348 INFO L276 IsEmpty]: Start isEmpty. Operand 15129 states and 23038 transitions. [2023-12-25 13:56:49,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 751 [2023-12-25 13:56:49,369 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:56:49,370 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:56:49,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2023-12-25 13:56:49,370 INFO L420 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:56:49,370 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:56:49,370 INFO L85 PathProgramCache]: Analyzing trace with hash -416764647, now seen corresponding path program 1 times [2023-12-25 13:56:49,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:56:49,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943607285] [2023-12-25 13:56:49,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:56:49,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:56:52,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:53,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 13:56:53,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:53,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 13:56:53,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:53,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-12-25 13:56:53,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:53,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2023-12-25 13:56:53,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:53,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-12-25 13:56:53,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:53,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-12-25 13:56:53,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:53,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-12-25 13:56:53,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:53,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2023-12-25 13:56:53,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:53,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2023-12-25 13:56:53,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:53,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2023-12-25 13:56:53,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:53,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-12-25 13:56:53,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:53,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2023-12-25 13:56:53,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:53,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2023-12-25 13:56:53,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:56:53,291 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:56:53,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:56:53,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943607285] [2023-12-25 13:56:53,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943607285] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:56:53,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:56:53,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 13:56:53,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351205137] [2023-12-25 13:56:53,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:56:53,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-25 13:56:53,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:56:53,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-25 13:56:53,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-25 13:56:53,293 INFO L87 Difference]: Start difference. First operand 15129 states and 23038 transitions. Second operand has 7 states, 7 states have (on average 98.28571428571429) internal successors, (688), 7 states have internal predecessors, (688), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-25 13:56:55,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:56:55,329 INFO L93 Difference]: Finished difference Result 25461 states and 38463 transitions. [2023-12-25 13:56:55,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 13:56:55,330 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 98.28571428571429) internal successors, (688), 7 states have internal predecessors, (688), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 750 [2023-12-25 13:56:55,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:56:55,346 INFO L225 Difference]: With dead ends: 25461 [2023-12-25 13:56:55,346 INFO L226 Difference]: Without dead ends: 15431 [2023-12-25 13:56:55,351 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2023-12-25 13:56:55,352 INFO L413 NwaCegarLoop]: 2120 mSDtfsCounter, 4858 mSDsluCounter, 4709 mSDsCounter, 0 mSdLazyCounter, 1914 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4859 SdHoareTripleChecker+Valid, 6829 SdHoareTripleChecker+Invalid, 1940 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1914 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-25 13:56:55,352 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4859 Valid, 6829 Invalid, 1940 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1914 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-25 13:56:55,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15431 states. [2023-12-25 13:56:56,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15431 to 15257. [2023-12-25 13:56:56,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15257 states, 14645 states have (on average 1.494161829976101) internal successors, (21882), 14645 states have internal predecessors, (21882), 610 states have call successors, (610), 1 states have call predecessors, (610), 1 states have return successors, (610), 610 states have call predecessors, (610), 610 states have call successors, (610) [2023-12-25 13:56:56,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15257 states to 15257 states and 23102 transitions. [2023-12-25 13:56:56,294 INFO L78 Accepts]: Start accepts. Automaton has 15257 states and 23102 transitions. Word has length 750 [2023-12-25 13:56:56,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:56:56,294 INFO L495 AbstractCegarLoop]: Abstraction has 15257 states and 23102 transitions. [2023-12-25 13:56:56,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 98.28571428571429) internal successors, (688), 7 states have internal predecessors, (688), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-25 13:56:56,294 INFO L276 IsEmpty]: Start isEmpty. Operand 15257 states and 23102 transitions. [2023-12-25 13:56:56,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 752 [2023-12-25 13:56:56,317 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:56:56,317 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:56:56,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2023-12-25 13:56:56,317 INFO L420 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:56:56,318 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:56:56,318 INFO L85 PathProgramCache]: Analyzing trace with hash 375483255, now seen corresponding path program 1 times [2023-12-25 13:56:56,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:56:56,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595671966] [2023-12-25 13:56:56,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:56:56,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:57:00,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:01,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 13:57:01,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:01,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 13:57:01,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:01,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 13:57:01,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:01,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-25 13:57:01,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:01,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-12-25 13:57:01,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:01,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 13:57:01,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:01,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-12-25 13:57:01,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:01,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 13:57:01,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:01,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-12-25 13:57:01,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:01,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 13:57:01,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:01,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2023-12-25 13:57:01,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:01,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2023-12-25 13:57:01,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:01,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-12-25 13:57:01,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:01,568 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:57:01,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:57:01,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595671966] [2023-12-25 13:57:01,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595671966] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:57:01,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:57:01,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:57:01,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107457662] [2023-12-25 13:57:01,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:57:01,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:57:01,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:57:01,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:57:01,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:57:01,570 INFO L87 Difference]: Start difference. First operand 15257 states and 23102 transitions. Second operand has 5 states, 5 states have (on average 137.8) internal successors, (689), 5 states have internal predecessors, (689), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:57:03,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:57:03,252 INFO L93 Difference]: Finished difference Result 17406 states and 26494 transitions. [2023-12-25 13:57:03,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 13:57:03,252 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 137.8) internal successors, (689), 5 states have internal predecessors, (689), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 751 [2023-12-25 13:57:03,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:57:03,322 INFO L225 Difference]: With dead ends: 17406 [2023-12-25 13:57:03,322 INFO L226 Difference]: Without dead ends: 15261 [2023-12-25 13:57:03,325 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:57:03,325 INFO L413 NwaCegarLoop]: 2110 mSDtfsCounter, 2060 mSDsluCounter, 4189 mSDsCounter, 0 mSdLazyCounter, 1707 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2060 SdHoareTripleChecker+Valid, 6299 SdHoareTripleChecker+Invalid, 1707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1707 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-25 13:57:03,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2060 Valid, 6299 Invalid, 1707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1707 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-25 13:57:03,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15261 states. [2023-12-25 13:57:04,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15261 to 15259. [2023-12-25 13:57:04,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15259 states, 14647 states have (on average 1.4940943537925855) internal successors, (21884), 14647 states have internal predecessors, (21884), 610 states have call successors, (610), 1 states have call predecessors, (610), 1 states have return successors, (610), 610 states have call predecessors, (610), 610 states have call successors, (610) [2023-12-25 13:57:04,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15259 states to 15259 states and 23104 transitions. [2023-12-25 13:57:04,231 INFO L78 Accepts]: Start accepts. Automaton has 15259 states and 23104 transitions. Word has length 751 [2023-12-25 13:57:04,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:57:04,232 INFO L495 AbstractCegarLoop]: Abstraction has 15259 states and 23104 transitions. [2023-12-25 13:57:04,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 137.8) internal successors, (689), 5 states have internal predecessors, (689), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:57:04,232 INFO L276 IsEmpty]: Start isEmpty. Operand 15259 states and 23104 transitions. [2023-12-25 13:57:04,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 752 [2023-12-25 13:57:04,253 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:57:04,253 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:57:04,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2023-12-25 13:57:04,253 INFO L420 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:57:04,254 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:57:04,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1491225419, now seen corresponding path program 1 times [2023-12-25 13:57:04,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:57:04,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734896331] [2023-12-25 13:57:04,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:57:04,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:57:08,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:10,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 13:57:10,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:10,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 13:57:10,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:10,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 13:57:10,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:10,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-25 13:57:10,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:10,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-12-25 13:57:10,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:10,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 13:57:10,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:10,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-12-25 13:57:10,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:10,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 13:57:10,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:10,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-12-25 13:57:10,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:10,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 13:57:10,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:10,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2023-12-25 13:57:10,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:10,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2023-12-25 13:57:10,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:10,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-12-25 13:57:10,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:10,540 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:57:10,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:57:10,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734896331] [2023-12-25 13:57:10,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734896331] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:57:10,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:57:10,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-25 13:57:10,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106844758] [2023-12-25 13:57:10,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:57:10,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 13:57:10,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:57:10,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 13:57:10,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-12-25 13:57:10,542 INFO L87 Difference]: Start difference. First operand 15259 states and 23104 transitions. Second operand has 8 states, 8 states have (on average 86.125) internal successors, (689), 8 states have internal predecessors, (689), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-25 13:57:11,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:57:11,976 INFO L93 Difference]: Finished difference Result 24201 states and 36899 transitions. [2023-12-25 13:57:11,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 13:57:11,976 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 86.125) internal successors, (689), 8 states have internal predecessors, (689), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 751 [2023-12-25 13:57:11,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:57:11,995 INFO L225 Difference]: With dead ends: 24201 [2023-12-25 13:57:11,995 INFO L226 Difference]: Without dead ends: 21877 [2023-12-25 13:57:11,999 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-12-25 13:57:12,000 INFO L413 NwaCegarLoop]: 2990 mSDtfsCounter, 10884 mSDsluCounter, 13197 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10905 SdHoareTripleChecker+Valid, 16187 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:57:12,000 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10905 Valid, 16187 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:57:12,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21877 states. [2023-12-25 13:57:13,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21877 to 17671. [2023-12-25 13:57:13,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17671 states, 16915 states have (on average 1.4824711794265444) internal successors, (25076), 16915 states have internal predecessors, (25076), 754 states have call successors, (754), 1 states have call predecessors, (754), 1 states have return successors, (754), 754 states have call predecessors, (754), 754 states have call successors, (754) [2023-12-25 13:57:13,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17671 states to 17671 states and 26584 transitions. [2023-12-25 13:57:13,441 INFO L78 Accepts]: Start accepts. Automaton has 17671 states and 26584 transitions. Word has length 751 [2023-12-25 13:57:13,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:57:13,441 INFO L495 AbstractCegarLoop]: Abstraction has 17671 states and 26584 transitions. [2023-12-25 13:57:13,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 86.125) internal successors, (689), 8 states have internal predecessors, (689), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-25 13:57:13,441 INFO L276 IsEmpty]: Start isEmpty. Operand 17671 states and 26584 transitions. [2023-12-25 13:57:13,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 752 [2023-12-25 13:57:13,468 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:57:13,468 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:57:13,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2023-12-25 13:57:13,468 INFO L420 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:57:13,469 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:57:13,469 INFO L85 PathProgramCache]: Analyzing trace with hash 717433423, now seen corresponding path program 1 times [2023-12-25 13:57:13,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:57:13,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504431916] [2023-12-25 13:57:13,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:57:13,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:57:19,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:20,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 13:57:20,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:20,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 13:57:20,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:20,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 13:57:20,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:20,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-25 13:57:20,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:20,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-12-25 13:57:20,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:20,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 13:57:20,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:20,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-12-25 13:57:20,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:20,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 13:57:20,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:20,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-12-25 13:57:20,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:20,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 13:57:20,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:20,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2023-12-25 13:57:20,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:20,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2023-12-25 13:57:20,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:20,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-12-25 13:57:20,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:20,379 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:57:20,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:57:20,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504431916] [2023-12-25 13:57:20,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504431916] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:57:20,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:57:20,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 13:57:20,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354025434] [2023-12-25 13:57:20,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:57:20,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 13:57:20,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:57:20,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 13:57:20,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 13:57:20,382 INFO L87 Difference]: Start difference. First operand 17671 states and 26584 transitions. Second operand has 4 states, 4 states have (on average 172.25) internal successors, (689), 4 states have internal predecessors, (689), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:57:21,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:57:21,841 INFO L93 Difference]: Finished difference Result 17675 states and 26588 transitions. [2023-12-25 13:57:21,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:57:21,841 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 172.25) internal successors, (689), 4 states have internal predecessors, (689), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 751 [2023-12-25 13:57:21,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:57:21,861 INFO L225 Difference]: With dead ends: 17675 [2023-12-25 13:57:21,861 INFO L226 Difference]: Without dead ends: 17673 [2023-12-25 13:57:21,863 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 13:57:21,864 INFO L413 NwaCegarLoop]: 2666 mSDtfsCounter, 1 mSDsluCounter, 5327 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 7993 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 13:57:21,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 7993 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 13:57:21,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17673 states. [2023-12-25 13:57:23,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17673 to 17673. [2023-12-25 13:57:23,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17673 states, 16917 states have (on average 1.4824141396228645) internal successors, (25078), 16917 states have internal predecessors, (25078), 754 states have call successors, (754), 1 states have call predecessors, (754), 1 states have return successors, (754), 754 states have call predecessors, (754), 754 states have call successors, (754) [2023-12-25 13:57:23,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17673 states to 17673 states and 26586 transitions. [2023-12-25 13:57:23,297 INFO L78 Accepts]: Start accepts. Automaton has 17673 states and 26586 transitions. Word has length 751 [2023-12-25 13:57:23,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:57:23,298 INFO L495 AbstractCegarLoop]: Abstraction has 17673 states and 26586 transitions. [2023-12-25 13:57:23,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 172.25) internal successors, (689), 4 states have internal predecessors, (689), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:57:23,298 INFO L276 IsEmpty]: Start isEmpty. Operand 17673 states and 26586 transitions. [2023-12-25 13:57:23,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 753 [2023-12-25 13:57:23,319 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:57:23,319 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:57:23,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2023-12-25 13:57:23,319 INFO L420 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:57:23,320 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:57:23,320 INFO L85 PathProgramCache]: Analyzing trace with hash 767328327, now seen corresponding path program 1 times [2023-12-25 13:57:23,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:57:23,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210216569] [2023-12-25 13:57:23,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:57:23,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:57:23,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:24,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 13:57:24,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:24,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 13:57:24,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:24,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 13:57:24,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:24,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-25 13:57:24,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:24,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-12-25 13:57:24,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:24,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 13:57:24,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:24,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-12-25 13:57:24,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:24,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 13:57:24,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:24,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-12-25 13:57:24,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:24,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 13:57:24,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:24,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2023-12-25 13:57:24,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:24,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2023-12-25 13:57:24,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:24,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-12-25 13:57:24,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:24,507 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:57:24,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:57:24,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210216569] [2023-12-25 13:57:24,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210216569] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:57:24,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:57:24,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 13:57:24,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474251411] [2023-12-25 13:57:24,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:57:24,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 13:57:24,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:57:24,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 13:57:24,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 13:57:24,509 INFO L87 Difference]: Start difference. First operand 17673 states and 26586 transitions. Second operand has 4 states, 4 states have (on average 172.5) internal successors, (690), 4 states have internal predecessors, (690), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:57:25,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:57:25,676 INFO L93 Difference]: Finished difference Result 19825 states and 29980 transitions. [2023-12-25 13:57:25,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:57:25,676 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 172.5) internal successors, (690), 4 states have internal predecessors, (690), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 752 [2023-12-25 13:57:25,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:57:25,693 INFO L225 Difference]: With dead ends: 19825 [2023-12-25 13:57:25,694 INFO L226 Difference]: Without dead ends: 17676 [2023-12-25 13:57:25,699 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 13:57:25,699 INFO L413 NwaCegarLoop]: 2666 mSDtfsCounter, 1 mSDsluCounter, 5325 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 7991 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 13:57:25,699 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 7991 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 13:57:25,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17676 states. [2023-12-25 13:57:26,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17676 to 17675. [2023-12-25 13:57:26,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17675 states, 16919 states have (on average 1.4823571133045688) internal successors, (25080), 16919 states have internal predecessors, (25080), 754 states have call successors, (754), 1 states have call predecessors, (754), 1 states have return successors, (754), 754 states have call predecessors, (754), 754 states have call successors, (754) [2023-12-25 13:57:26,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17675 states to 17675 states and 26588 transitions. [2023-12-25 13:57:26,837 INFO L78 Accepts]: Start accepts. Automaton has 17675 states and 26588 transitions. Word has length 752 [2023-12-25 13:57:26,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:57:26,837 INFO L495 AbstractCegarLoop]: Abstraction has 17675 states and 26588 transitions. [2023-12-25 13:57:26,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 172.5) internal successors, (690), 4 states have internal predecessors, (690), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:57:26,838 INFO L276 IsEmpty]: Start isEmpty. Operand 17675 states and 26588 transitions. [2023-12-25 13:57:26,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 754 [2023-12-25 13:57:26,905 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:57:26,905 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:57:26,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2023-12-25 13:57:26,906 INFO L420 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:57:26,906 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:57:26,906 INFO L85 PathProgramCache]: Analyzing trace with hash 2101912937, now seen corresponding path program 1 times [2023-12-25 13:57:26,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:57:26,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579303690] [2023-12-25 13:57:26,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:57:26,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:57:33,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:36,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 13:57:36,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:36,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 13:57:36,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:36,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 13:57:36,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:36,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-25 13:57:36,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:36,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-12-25 13:57:36,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:36,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 13:57:36,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:36,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-12-25 13:57:36,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:36,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 13:57:36,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:36,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-12-25 13:57:36,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:36,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 13:57:36,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:36,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2023-12-25 13:57:36,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:36,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2023-12-25 13:57:36,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:36,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-12-25 13:57:36,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:36,637 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:57:36,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:57:36,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579303690] [2023-12-25 13:57:36,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579303690] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:57:36,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:57:36,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-25 13:57:36,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756858653] [2023-12-25 13:57:36,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:57:36,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-25 13:57:36,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:57:36,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-25 13:57:36,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-12-25 13:57:36,640 INFO L87 Difference]: Start difference. First operand 17675 states and 26588 transitions. Second operand has 11 states, 11 states have (on average 62.81818181818182) internal successors, (691), 11 states have internal predecessors, (691), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 13:57:41,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:57:41,816 INFO L93 Difference]: Finished difference Result 64138 states and 95359 transitions. [2023-12-25 13:57:41,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-25 13:57:41,817 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 62.81818181818182) internal successors, (691), 11 states have internal predecessors, (691), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 753 [2023-12-25 13:57:41,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:57:41,886 INFO L225 Difference]: With dead ends: 64138 [2023-12-25 13:57:41,886 INFO L226 Difference]: Without dead ends: 51373 [2023-12-25 13:57:41,899 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2023-12-25 13:57:41,899 INFO L413 NwaCegarLoop]: 6902 mSDtfsCounter, 13722 mSDsluCounter, 32186 mSDsCounter, 0 mSdLazyCounter, 1136 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13735 SdHoareTripleChecker+Valid, 39088 SdHoareTripleChecker+Invalid, 1202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 1136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 13:57:41,899 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13735 Valid, 39088 Invalid, 1202 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [66 Valid, 1136 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 13:57:41,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51373 states. [2023-12-25 13:57:43,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51373 to 18795. [2023-12-25 13:57:43,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18795 states, 17975 states have (on average 1.4771627260083449) internal successors, (26552), 17975 states have internal predecessors, (26552), 818 states have call successors, (818), 1 states have call predecessors, (818), 1 states have return successors, (818), 818 states have call predecessors, (818), 818 states have call successors, (818) [2023-12-25 13:57:43,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18795 states to 18795 states and 28188 transitions. [2023-12-25 13:57:43,557 INFO L78 Accepts]: Start accepts. Automaton has 18795 states and 28188 transitions. Word has length 753 [2023-12-25 13:57:43,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:57:43,558 INFO L495 AbstractCegarLoop]: Abstraction has 18795 states and 28188 transitions. [2023-12-25 13:57:43,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 62.81818181818182) internal successors, (691), 11 states have internal predecessors, (691), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 13:57:43,558 INFO L276 IsEmpty]: Start isEmpty. Operand 18795 states and 28188 transitions. [2023-12-25 13:57:43,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 754 [2023-12-25 13:57:43,581 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:57:43,581 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:57:43,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2023-12-25 13:57:43,582 INFO L420 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:57:43,582 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:57:43,582 INFO L85 PathProgramCache]: Analyzing trace with hash 1058583695, now seen corresponding path program 1 times [2023-12-25 13:57:43,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:57:43,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009449752] [2023-12-25 13:57:43,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:57:43,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:57:47,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:49,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 13:57:49,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:49,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 13:57:49,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:49,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 13:57:49,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:49,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-25 13:57:49,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:49,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-12-25 13:57:49,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:49,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 13:57:49,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:49,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-12-25 13:57:49,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:49,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 13:57:49,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:49,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-12-25 13:57:49,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:49,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 13:57:49,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:49,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2023-12-25 13:57:49,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:49,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2023-12-25 13:57:49,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:49,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-12-25 13:57:49,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:49,245 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:57:49,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:57:49,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009449752] [2023-12-25 13:57:49,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009449752] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:57:49,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:57:49,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:57:49,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008287484] [2023-12-25 13:57:49,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:57:49,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:57:49,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:57:49,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:57:49,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:57:49,250 INFO L87 Difference]: Start difference. First operand 18795 states and 28188 transitions. Second operand has 5 states, 5 states have (on average 138.2) internal successors, (691), 5 states have internal predecessors, (691), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:57:51,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:57:51,370 INFO L93 Difference]: Finished difference Result 20954 states and 31590 transitions. [2023-12-25 13:57:51,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 13:57:51,371 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 138.2) internal successors, (691), 5 states have internal predecessors, (691), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 753 [2023-12-25 13:57:51,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:57:51,386 INFO L225 Difference]: With dead ends: 20954 [2023-12-25 13:57:51,386 INFO L226 Difference]: Without dead ends: 18803 [2023-12-25 13:57:51,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:57:51,389 INFO L413 NwaCegarLoop]: 2110 mSDtfsCounter, 2319 mSDsluCounter, 4173 mSDsCounter, 0 mSdLazyCounter, 1707 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2319 SdHoareTripleChecker+Valid, 6283 SdHoareTripleChecker+Invalid, 1707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1707 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-25 13:57:51,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2319 Valid, 6283 Invalid, 1707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1707 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-25 13:57:51,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18803 states. [2023-12-25 13:57:52,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18803 to 18801. [2023-12-25 13:57:52,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18801 states, 17981 states have (on average 1.4770035036983482) internal successors, (26558), 17981 states have internal predecessors, (26558), 818 states have call successors, (818), 1 states have call predecessors, (818), 1 states have return successors, (818), 818 states have call predecessors, (818), 818 states have call successors, (818) [2023-12-25 13:57:52,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18801 states to 18801 states and 28194 transitions. [2023-12-25 13:57:52,754 INFO L78 Accepts]: Start accepts. Automaton has 18801 states and 28194 transitions. Word has length 753 [2023-12-25 13:57:52,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:57:52,754 INFO L495 AbstractCegarLoop]: Abstraction has 18801 states and 28194 transitions. [2023-12-25 13:57:52,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 138.2) internal successors, (691), 5 states have internal predecessors, (691), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:57:52,754 INFO L276 IsEmpty]: Start isEmpty. Operand 18801 states and 28194 transitions. [2023-12-25 13:57:52,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 754 [2023-12-25 13:57:52,775 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:57:52,776 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:57:52,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2023-12-25 13:57:52,776 INFO L420 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:57:52,776 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:57:52,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1160670925, now seen corresponding path program 1 times [2023-12-25 13:57:52,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:57:52,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109918939] [2023-12-25 13:57:52,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:57:52,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:57:56,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:59,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 13:57:59,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:59,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 13:57:59,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:59,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 13:57:59,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:59,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-25 13:57:59,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:59,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-12-25 13:57:59,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:59,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 13:57:59,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:59,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-12-25 13:57:59,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:59,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 13:57:59,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:59,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-12-25 13:57:59,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:59,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 13:57:59,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:59,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2023-12-25 13:57:59,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:59,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2023-12-25 13:57:59,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:59,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-12-25 13:57:59,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:57:59,137 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:57:59,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:57:59,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109918939] [2023-12-25 13:57:59,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109918939] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:57:59,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:57:59,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-25 13:57:59,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133666646] [2023-12-25 13:57:59,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:57:59,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 13:57:59,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:57:59,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 13:57:59,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-12-25 13:57:59,139 INFO L87 Difference]: Start difference. First operand 18801 states and 28194 transitions. Second operand has 8 states, 8 states have (on average 86.375) internal successors, (691), 8 states have internal predecessors, (691), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-25 13:58:01,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:58:01,280 INFO L93 Difference]: Finished difference Result 26464 states and 40084 transitions. [2023-12-25 13:58:01,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 13:58:01,281 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 86.375) internal successors, (691), 8 states have internal predecessors, (691), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 753 [2023-12-25 13:58:01,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:58:01,303 INFO L225 Difference]: With dead ends: 26464 [2023-12-25 13:58:01,303 INFO L226 Difference]: Without dead ends: 24288 [2023-12-25 13:58:01,310 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-12-25 13:58:01,310 INFO L413 NwaCegarLoop]: 4913 mSDtfsCounter, 11023 mSDsluCounter, 17544 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11042 SdHoareTripleChecker+Valid, 22457 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:58:01,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11042 Valid, 22457 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:58:01,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24288 states. [2023-12-25 13:58:02,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24288 to 20393. [2023-12-25 13:58:02,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20393 states, 19439 states have (on average 1.4700344667935594) internal successors, (28576), 19439 states have internal predecessors, (28576), 952 states have call successors, (952), 1 states have call predecessors, (952), 1 states have return successors, (952), 952 states have call predecessors, (952), 952 states have call successors, (952) [2023-12-25 13:58:03,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20393 states to 20393 states and 30480 transitions. [2023-12-25 13:58:03,013 INFO L78 Accepts]: Start accepts. Automaton has 20393 states and 30480 transitions. Word has length 753 [2023-12-25 13:58:03,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:58:03,013 INFO L495 AbstractCegarLoop]: Abstraction has 20393 states and 30480 transitions. [2023-12-25 13:58:03,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 86.375) internal successors, (691), 8 states have internal predecessors, (691), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-25 13:58:03,013 INFO L276 IsEmpty]: Start isEmpty. Operand 20393 states and 30480 transitions. [2023-12-25 13:58:03,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 754 [2023-12-25 13:58:03,037 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:58:03,037 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:58:03,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2023-12-25 13:58:03,037 INFO L420 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:58:03,037 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:58:03,038 INFO L85 PathProgramCache]: Analyzing trace with hash -650210713, now seen corresponding path program 1 times [2023-12-25 13:58:03,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:58:03,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592939538] [2023-12-25 13:58:03,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:58:03,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:58:05,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:06,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 13:58:06,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:06,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 13:58:06,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:06,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 13:58:06,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:06,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-25 13:58:06,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:06,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-12-25 13:58:06,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:06,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 13:58:06,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:06,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-12-25 13:58:06,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:06,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 13:58:06,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:06,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-12-25 13:58:06,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:06,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 13:58:06,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:06,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2023-12-25 13:58:06,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:06,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2023-12-25 13:58:06,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:06,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-12-25 13:58:06,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:06,874 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:58:06,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:58:06,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592939538] [2023-12-25 13:58:06,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592939538] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:58:06,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:58:06,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 13:58:06,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317506961] [2023-12-25 13:58:06,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:58:06,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-25 13:58:06,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:58:06,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-25 13:58:06,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-25 13:58:06,876 INFO L87 Difference]: Start difference. First operand 20393 states and 30480 transitions. Second operand has 7 states, 7 states have (on average 98.71428571428571) internal successors, (691), 7 states have internal predecessors, (691), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-25 13:58:09,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:58:09,897 INFO L93 Difference]: Finished difference Result 23011 states and 34565 transitions. [2023-12-25 13:58:09,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 13:58:09,898 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 98.71428571428571) internal successors, (691), 7 states have internal predecessors, (691), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 753 [2023-12-25 13:58:09,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:58:09,918 INFO L225 Difference]: With dead ends: 23011 [2023-12-25 13:58:09,918 INFO L226 Difference]: Without dead ends: 20837 [2023-12-25 13:58:09,922 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2023-12-25 13:58:09,922 INFO L413 NwaCegarLoop]: 2267 mSDtfsCounter, 7078 mSDsluCounter, 5108 mSDsCounter, 0 mSdLazyCounter, 2264 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7079 SdHoareTripleChecker+Valid, 7375 SdHoareTripleChecker+Invalid, 2281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 2264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:58:09,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7079 Valid, 7375 Invalid, 2281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 2264 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-25 13:58:09,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20837 states. [2023-12-25 13:58:11,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20837 to 20385. [2023-12-25 13:58:11,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20385 states, 19431 states have (on average 1.4699192012763111) internal successors, (28562), 19431 states have internal predecessors, (28562), 952 states have call successors, (952), 1 states have call predecessors, (952), 1 states have return successors, (952), 952 states have call predecessors, (952), 952 states have call successors, (952) [2023-12-25 13:58:11,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20385 states to 20385 states and 30466 transitions. [2023-12-25 13:58:11,597 INFO L78 Accepts]: Start accepts. Automaton has 20385 states and 30466 transitions. Word has length 753 [2023-12-25 13:58:11,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:58:11,598 INFO L495 AbstractCegarLoop]: Abstraction has 20385 states and 30466 transitions. [2023-12-25 13:58:11,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 98.71428571428571) internal successors, (691), 7 states have internal predecessors, (691), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-25 13:58:11,598 INFO L276 IsEmpty]: Start isEmpty. Operand 20385 states and 30466 transitions. [2023-12-25 13:58:11,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 754 [2023-12-25 13:58:11,622 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:58:11,623 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:58:11,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2023-12-25 13:58:11,623 INFO L420 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:58:11,623 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:58:11,623 INFO L85 PathProgramCache]: Analyzing trace with hash -129816193, now seen corresponding path program 1 times [2023-12-25 13:58:11,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:58:11,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903949221] [2023-12-25 13:58:11,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:58:11,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:58:11,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:12,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 13:58:12,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:12,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 13:58:12,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:12,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 13:58:12,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:12,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-25 13:58:12,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:12,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-12-25 13:58:12,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:12,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 13:58:12,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:12,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-12-25 13:58:12,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:12,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 13:58:12,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:12,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-12-25 13:58:12,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:12,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 13:58:12,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:12,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2023-12-25 13:58:12,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:12,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2023-12-25 13:58:12,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:12,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2023-12-25 13:58:12,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:12,520 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:58:12,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:58:12,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903949221] [2023-12-25 13:58:12,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903949221] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:58:12,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:58:12,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 13:58:12,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817376574] [2023-12-25 13:58:12,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:58:12,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 13:58:12,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:58:12,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 13:58:12,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 13:58:12,521 INFO L87 Difference]: Start difference. First operand 20385 states and 30466 transitions. Second operand has 4 states, 4 states have (on average 172.75) internal successors, (691), 4 states have internal predecessors, (691), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 13:58:14,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:58:14,160 INFO L93 Difference]: Finished difference Result 26339 states and 39410 transitions. [2023-12-25 13:58:14,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:58:14,160 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 172.75) internal successors, (691), 4 states have internal predecessors, (691), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 753 [2023-12-25 13:58:14,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:58:14,185 INFO L225 Difference]: With dead ends: 26339 [2023-12-25 13:58:14,185 INFO L226 Difference]: Without dead ends: 20709 [2023-12-25 13:58:14,190 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 13:58:14,190 INFO L413 NwaCegarLoop]: 2665 mSDtfsCounter, 1 mSDsluCounter, 5303 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 7968 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 13:58:14,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 7968 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 13:58:14,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20709 states. [2023-12-25 13:58:15,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20709 to 20601. [2023-12-25 13:58:15,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20601 states, 19647 states have (on average 1.464752888481702) internal successors, (28778), 19647 states have internal predecessors, (28778), 952 states have call successors, (952), 1 states have call predecessors, (952), 1 states have return successors, (952), 952 states have call predecessors, (952), 952 states have call successors, (952) [2023-12-25 13:58:15,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20601 states to 20601 states and 30682 transitions. [2023-12-25 13:58:15,840 INFO L78 Accepts]: Start accepts. Automaton has 20601 states and 30682 transitions. Word has length 753 [2023-12-25 13:58:15,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:58:15,840 INFO L495 AbstractCegarLoop]: Abstraction has 20601 states and 30682 transitions. [2023-12-25 13:58:15,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 172.75) internal successors, (691), 4 states have internal predecessors, (691), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 13:58:15,840 INFO L276 IsEmpty]: Start isEmpty. Operand 20601 states and 30682 transitions. [2023-12-25 13:58:15,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 755 [2023-12-25 13:58:15,863 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:58:15,863 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:58:15,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2023-12-25 13:58:15,864 INFO L420 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:58:15,864 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:58:15,864 INFO L85 PathProgramCache]: Analyzing trace with hash -980899921, now seen corresponding path program 1 times [2023-12-25 13:58:15,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:58:15,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880228860] [2023-12-25 13:58:15,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:58:15,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:58:18,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:20,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 13:58:20,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:20,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 13:58:20,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:20,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 13:58:20,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:20,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-25 13:58:20,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:20,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-12-25 13:58:20,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:20,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 13:58:20,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:20,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-12-25 13:58:20,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:20,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 13:58:20,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:20,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-12-25 13:58:20,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:20,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 13:58:20,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:20,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2023-12-25 13:58:20,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:20,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2023-12-25 13:58:20,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:20,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2023-12-25 13:58:20,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:20,065 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:58:20,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:58:20,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880228860] [2023-12-25 13:58:20,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880228860] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:58:20,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:58:20,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-25 13:58:20,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215336131] [2023-12-25 13:58:20,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:58:20,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 13:58:20,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:58:20,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 13:58:20,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-25 13:58:20,067 INFO L87 Difference]: Start difference. First operand 20601 states and 30682 transitions. Second operand has 8 states, 8 states have (on average 86.5) internal successors, (692), 8 states have internal predecessors, (692), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-25 13:58:23,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:58:23,387 INFO L93 Difference]: Finished difference Result 23230 states and 34773 transitions. [2023-12-25 13:58:23,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-25 13:58:23,387 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 86.5) internal successors, (692), 8 states have internal predecessors, (692), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 754 [2023-12-25 13:58:23,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:58:23,406 INFO L225 Difference]: With dead ends: 23230 [2023-12-25 13:58:23,406 INFO L226 Difference]: Without dead ends: 21053 [2023-12-25 13:58:23,410 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2023-12-25 13:58:23,410 INFO L413 NwaCegarLoop]: 2266 mSDtfsCounter, 4788 mSDsluCounter, 7375 mSDsCounter, 0 mSdLazyCounter, 2968 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4793 SdHoareTripleChecker+Valid, 9641 SdHoareTripleChecker+Invalid, 2983 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 2968 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-25 13:58:23,410 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4793 Valid, 9641 Invalid, 2983 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 2968 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-25 13:58:23,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21053 states. [2023-12-25 13:58:24,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21053 to 20603. [2023-12-25 13:58:25,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20603 states, 19649 states have (on average 1.4647055829813223) internal successors, (28780), 19649 states have internal predecessors, (28780), 952 states have call successors, (952), 1 states have call predecessors, (952), 1 states have return successors, (952), 952 states have call predecessors, (952), 952 states have call successors, (952) [2023-12-25 13:58:25,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20603 states to 20603 states and 30684 transitions. [2023-12-25 13:58:25,039 INFO L78 Accepts]: Start accepts. Automaton has 20603 states and 30684 transitions. Word has length 754 [2023-12-25 13:58:25,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:58:25,040 INFO L495 AbstractCegarLoop]: Abstraction has 20603 states and 30684 transitions. [2023-12-25 13:58:25,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 86.5) internal successors, (692), 8 states have internal predecessors, (692), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-25 13:58:25,040 INFO L276 IsEmpty]: Start isEmpty. Operand 20603 states and 30684 transitions. [2023-12-25 13:58:25,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 755 [2023-12-25 13:58:25,067 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:58:25,067 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:58:25,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2023-12-25 13:58:25,067 INFO L420 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:58:25,067 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:58:25,068 INFO L85 PathProgramCache]: Analyzing trace with hash -1441116367, now seen corresponding path program 1 times [2023-12-25 13:58:25,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:58:25,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094310493] [2023-12-25 13:58:25,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:58:25,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:58:30,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:31,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 13:58:31,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:31,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 13:58:31,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:31,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 13:58:31,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:31,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-25 13:58:31,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:31,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-12-25 13:58:31,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:31,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 13:58:31,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:31,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-12-25 13:58:31,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:31,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 13:58:31,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:31,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-12-25 13:58:31,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:31,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 13:58:31,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:31,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2023-12-25 13:58:31,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:31,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2023-12-25 13:58:31,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:31,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2023-12-25 13:58:31,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:31,345 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:58:31,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:58:31,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094310493] [2023-12-25 13:58:31,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094310493] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:58:31,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:58:31,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-25 13:58:31,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469397254] [2023-12-25 13:58:31,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:58:31,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-25 13:58:31,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:58:31,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-25 13:58:31,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:58:31,347 INFO L87 Difference]: Start difference. First operand 20603 states and 30684 transitions. Second operand has 6 states, 6 states have (on average 115.33333333333333) internal successors, (692), 6 states have internal predecessors, (692), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 13:58:34,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:58:34,193 INFO L93 Difference]: Finished difference Result 25239 states and 37643 transitions. [2023-12-25 13:58:34,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 13:58:34,194 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 115.33333333333333) internal successors, (692), 6 states have internal predecessors, (692), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 754 [2023-12-25 13:58:34,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:58:34,213 INFO L225 Difference]: With dead ends: 25239 [2023-12-25 13:58:34,213 INFO L226 Difference]: Without dead ends: 21267 [2023-12-25 13:58:34,217 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-12-25 13:58:34,218 INFO L413 NwaCegarLoop]: 2215 mSDtfsCounter, 4591 mSDsluCounter, 4965 mSDsCounter, 0 mSdLazyCounter, 2164 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4591 SdHoareTripleChecker+Valid, 7180 SdHoareTripleChecker+Invalid, 2182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 2164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:58:34,218 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4591 Valid, 7180 Invalid, 2182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 2164 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-25 13:58:34,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21267 states. [2023-12-25 13:58:35,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21267 to 20765. [2023-12-25 13:58:35,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20765 states, 19811 states have (on average 1.4609055575185503) internal successors, (28942), 19811 states have internal predecessors, (28942), 952 states have call successors, (952), 1 states have call predecessors, (952), 1 states have return successors, (952), 952 states have call predecessors, (952), 952 states have call successors, (952) [2023-12-25 13:58:35,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20765 states to 20765 states and 30846 transitions. [2023-12-25 13:58:35,875 INFO L78 Accepts]: Start accepts. Automaton has 20765 states and 30846 transitions. Word has length 754 [2023-12-25 13:58:35,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:58:35,875 INFO L495 AbstractCegarLoop]: Abstraction has 20765 states and 30846 transitions. [2023-12-25 13:58:35,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 115.33333333333333) internal successors, (692), 6 states have internal predecessors, (692), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 13:58:35,876 INFO L276 IsEmpty]: Start isEmpty. Operand 20765 states and 30846 transitions. [2023-12-25 13:58:35,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 755 [2023-12-25 13:58:35,902 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:58:35,902 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:58:35,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2023-12-25 13:58:35,902 INFO L420 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:58:35,902 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:58:35,903 INFO L85 PathProgramCache]: Analyzing trace with hash -665059021, now seen corresponding path program 1 times [2023-12-25 13:58:35,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:58:35,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689873551] [2023-12-25 13:58:35,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:58:35,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:58:41,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:42,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 13:58:42,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:42,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 13:58:42,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:42,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 13:58:42,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:42,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-25 13:58:42,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:42,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-12-25 13:58:42,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:42,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 13:58:42,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:42,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-12-25 13:58:42,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:42,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 13:58:42,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:42,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-12-25 13:58:42,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:42,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 13:58:42,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:42,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2023-12-25 13:58:42,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:42,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2023-12-25 13:58:42,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:42,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2023-12-25 13:58:42,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:42,794 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:58:42,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:58:42,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689873551] [2023-12-25 13:58:42,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689873551] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:58:42,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:58:42,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 13:58:42,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183684257] [2023-12-25 13:58:42,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:58:42,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-25 13:58:42,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:58:42,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-25 13:58:42,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-25 13:58:42,796 INFO L87 Difference]: Start difference. First operand 20765 states and 30846 transitions. Second operand has 7 states, 7 states have (on average 98.85714285714286) internal successors, (692), 7 states have internal predecessors, (692), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-25 13:58:45,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:58:45,688 INFO L93 Difference]: Finished difference Result 23629 states and 35283 transitions. [2023-12-25 13:58:45,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 13:58:45,688 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 98.85714285714286) internal successors, (692), 7 states have internal predecessors, (692), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 754 [2023-12-25 13:58:45,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:58:45,710 INFO L225 Difference]: With dead ends: 23629 [2023-12-25 13:58:45,710 INFO L226 Difference]: Without dead ends: 21221 [2023-12-25 13:58:45,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2023-12-25 13:58:45,716 INFO L413 NwaCegarLoop]: 2240 mSDtfsCounter, 7107 mSDsluCounter, 5032 mSDsCounter, 0 mSdLazyCounter, 2218 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7108 SdHoareTripleChecker+Valid, 7272 SdHoareTripleChecker+Invalid, 2239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 2218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:58:45,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7108 Valid, 7272 Invalid, 2239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 2218 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-25 13:58:45,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21221 states. [2023-12-25 13:58:47,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21221 to 20693. [2023-12-25 13:58:47,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20693 states, 19739 states have (on average 1.4598510562845128) internal successors, (28816), 19739 states have internal predecessors, (28816), 952 states have call successors, (952), 1 states have call predecessors, (952), 1 states have return successors, (952), 952 states have call predecessors, (952), 952 states have call successors, (952) [2023-12-25 13:58:47,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20693 states to 20693 states and 30720 transitions. [2023-12-25 13:58:47,381 INFO L78 Accepts]: Start accepts. Automaton has 20693 states and 30720 transitions. Word has length 754 [2023-12-25 13:58:47,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:58:47,381 INFO L495 AbstractCegarLoop]: Abstraction has 20693 states and 30720 transitions. [2023-12-25 13:58:47,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 98.85714285714286) internal successors, (692), 7 states have internal predecessors, (692), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-25 13:58:47,382 INFO L276 IsEmpty]: Start isEmpty. Operand 20693 states and 30720 transitions. [2023-12-25 13:58:47,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 756 [2023-12-25 13:58:47,408 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:58:47,408 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:58:47,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2023-12-25 13:58:47,408 INFO L420 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:58:47,408 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:58:47,408 INFO L85 PathProgramCache]: Analyzing trace with hash 666798371, now seen corresponding path program 1 times [2023-12-25 13:58:47,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:58:47,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004751622] [2023-12-25 13:58:47,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:58:47,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:58:52,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:53,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 13:58:53,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:53,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 13:58:53,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:53,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 13:58:53,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:53,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-25 13:58:53,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:53,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-12-25 13:58:53,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:53,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 13:58:53,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:53,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-12-25 13:58:53,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:53,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 13:58:53,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:53,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-12-25 13:58:53,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:53,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 13:58:53,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:53,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 13:58:53,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:53,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-12-25 13:58:53,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:53,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2023-12-25 13:58:53,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:58:53,691 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:58:53,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:58:53,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004751622] [2023-12-25 13:58:53,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004751622] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:58:53,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:58:53,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-25 13:58:53,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220266099] [2023-12-25 13:58:53,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:58:53,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-25 13:58:53,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:58:53,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-25 13:58:53,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:58:53,693 INFO L87 Difference]: Start difference. First operand 20693 states and 30720 transitions. Second operand has 6 states, 6 states have (on average 115.5) internal successors, (693), 6 states have internal predecessors, (693), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 13:58:56,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:58:56,560 INFO L93 Difference]: Finished difference Result 23477 states and 35025 transitions. [2023-12-25 13:58:56,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 13:58:56,560 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 115.5) internal successors, (693), 6 states have internal predecessors, (693), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 755 [2023-12-25 13:58:56,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:58:56,580 INFO L225 Difference]: With dead ends: 23477 [2023-12-25 13:58:56,581 INFO L226 Difference]: Without dead ends: 21149 [2023-12-25 13:58:56,585 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-12-25 13:58:56,585 INFO L413 NwaCegarLoop]: 2240 mSDtfsCounter, 4563 mSDsluCounter, 5032 mSDsCounter, 0 mSdLazyCounter, 2216 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4563 SdHoareTripleChecker+Valid, 7272 SdHoareTripleChecker+Invalid, 2232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 2216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:58:56,585 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4563 Valid, 7272 Invalid, 2232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 2216 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-25 13:58:56,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21149 states. [2023-12-25 13:58:58,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21149 to 20711. [2023-12-25 13:58:58,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20711 states, 19757 states have (on average 1.4594321000151844) internal successors, (28834), 19757 states have internal predecessors, (28834), 952 states have call successors, (952), 1 states have call predecessors, (952), 1 states have return successors, (952), 952 states have call predecessors, (952), 952 states have call successors, (952) [2023-12-25 13:58:58,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20711 states to 20711 states and 30738 transitions. [2023-12-25 13:58:58,269 INFO L78 Accepts]: Start accepts. Automaton has 20711 states and 30738 transitions. Word has length 755 [2023-12-25 13:58:58,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:58:58,269 INFO L495 AbstractCegarLoop]: Abstraction has 20711 states and 30738 transitions. [2023-12-25 13:58:58,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 115.5) internal successors, (693), 6 states have internal predecessors, (693), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 13:58:58,269 INFO L276 IsEmpty]: Start isEmpty. Operand 20711 states and 30738 transitions. [2023-12-25 13:58:58,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 756 [2023-12-25 13:58:58,295 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:58:58,295 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:58:58,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2023-12-25 13:58:58,295 INFO L420 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:58:58,296 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:58:58,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1769848735, now seen corresponding path program 1 times [2023-12-25 13:58:58,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:58:58,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805965709] [2023-12-25 13:58:58,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:58:58,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:59:03,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:04,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 13:59:04,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:04,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 13:59:04,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:04,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 13:59:04,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:04,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-25 13:59:04,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:04,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-12-25 13:59:04,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:04,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 13:59:04,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:04,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-12-25 13:59:04,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:04,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 13:59:04,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:04,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-12-25 13:59:04,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:04,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 13:59:04,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:04,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 13:59:04,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:04,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-12-25 13:59:04,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:04,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2023-12-25 13:59:04,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:04,823 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:59:04,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:59:04,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805965709] [2023-12-25 13:59:04,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805965709] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:59:04,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:59:04,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 13:59:04,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240739483] [2023-12-25 13:59:04,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:59:04,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-25 13:59:04,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:59:04,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-25 13:59:04,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-25 13:59:04,824 INFO L87 Difference]: Start difference. First operand 20711 states and 30738 transitions. Second operand has 7 states, 7 states have (on average 99.0) internal successors, (693), 7 states have internal predecessors, (693), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-25 13:59:07,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:59:07,802 INFO L93 Difference]: Finished difference Result 23423 states and 34935 transitions. [2023-12-25 13:59:07,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 13:59:07,802 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 99.0) internal successors, (693), 7 states have internal predecessors, (693), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 755 [2023-12-25 13:59:07,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:59:07,824 INFO L225 Difference]: With dead ends: 23423 [2023-12-25 13:59:07,824 INFO L226 Difference]: Without dead ends: 21182 [2023-12-25 13:59:07,832 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2023-12-25 13:59:07,832 INFO L413 NwaCegarLoop]: 2249 mSDtfsCounter, 4755 mSDsluCounter, 5090 mSDsCounter, 0 mSdLazyCounter, 2233 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4756 SdHoareTripleChecker+Valid, 7339 SdHoareTripleChecker+Invalid, 2250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 2233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:59:07,832 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4756 Valid, 7339 Invalid, 2250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 2233 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-25 13:59:07,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21182 states. [2023-12-25 13:59:09,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21182 to 20723. [2023-12-25 13:59:09,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20723 states, 19769 states have (on average 1.4588497141989984) internal successors, (28840), 19769 states have internal predecessors, (28840), 952 states have call successors, (952), 1 states have call predecessors, (952), 1 states have return successors, (952), 952 states have call predecessors, (952), 952 states have call successors, (952) [2023-12-25 13:59:09,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20723 states to 20723 states and 30744 transitions. [2023-12-25 13:59:09,570 INFO L78 Accepts]: Start accepts. Automaton has 20723 states and 30744 transitions. Word has length 755 [2023-12-25 13:59:09,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:59:09,570 INFO L495 AbstractCegarLoop]: Abstraction has 20723 states and 30744 transitions. [2023-12-25 13:59:09,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 99.0) internal successors, (693), 7 states have internal predecessors, (693), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-25 13:59:09,570 INFO L276 IsEmpty]: Start isEmpty. Operand 20723 states and 30744 transitions. [2023-12-25 13:59:09,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 757 [2023-12-25 13:59:09,595 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:59:09,595 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:59:09,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2023-12-25 13:59:09,595 INFO L420 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:59:09,596 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:59:09,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1904035685, now seen corresponding path program 1 times [2023-12-25 13:59:09,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:59:09,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443616766] [2023-12-25 13:59:09,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:59:09,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:59:14,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:15,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 13:59:15,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:15,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 13:59:15,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:15,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 13:59:15,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:15,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-25 13:59:15,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:15,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-12-25 13:59:15,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:15,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 13:59:15,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:15,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-12-25 13:59:15,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:15,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 13:59:15,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:15,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-12-25 13:59:15,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:15,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 13:59:15,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:15,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 13:59:15,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:15,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 13:59:15,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:15,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2023-12-25 13:59:15,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:15,103 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:59:15,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:59:15,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443616766] [2023-12-25 13:59:15,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443616766] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:59:15,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:59:15,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-25 13:59:15,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52599015] [2023-12-25 13:59:15,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:59:15,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-25 13:59:15,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:59:15,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-25 13:59:15,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:59:15,106 INFO L87 Difference]: Start difference. First operand 20723 states and 30744 transitions. Second operand has 6 states, 6 states have (on average 115.66666666666667) internal successors, (694), 6 states have internal predecessors, (694), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 13:59:18,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:59:18,057 INFO L93 Difference]: Finished difference Result 23410 states and 34899 transitions. [2023-12-25 13:59:18,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 13:59:18,058 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 115.66666666666667) internal successors, (694), 6 states have internal predecessors, (694), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 756 [2023-12-25 13:59:18,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:59:18,079 INFO L225 Difference]: With dead ends: 23410 [2023-12-25 13:59:18,079 INFO L226 Difference]: Without dead ends: 21182 [2023-12-25 13:59:18,084 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-12-25 13:59:18,084 INFO L413 NwaCegarLoop]: 2249 mSDtfsCounter, 4560 mSDsluCounter, 5063 mSDsCounter, 0 mSdLazyCounter, 2233 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4560 SdHoareTripleChecker+Valid, 7312 SdHoareTripleChecker+Invalid, 2248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 2233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:59:18,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4560 Valid, 7312 Invalid, 2248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 2233 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-25 13:59:18,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21182 states. [2023-12-25 13:59:19,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21182 to 20729. [2023-12-25 13:59:19,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20729 states, 19775 states have (on average 1.4587104930467762) internal successors, (28846), 19775 states have internal predecessors, (28846), 952 states have call successors, (952), 1 states have call predecessors, (952), 1 states have return successors, (952), 952 states have call predecessors, (952), 952 states have call successors, (952) [2023-12-25 13:59:19,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20729 states to 20729 states and 30750 transitions. [2023-12-25 13:59:19,740 INFO L78 Accepts]: Start accepts. Automaton has 20729 states and 30750 transitions. Word has length 756 [2023-12-25 13:59:19,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:59:19,741 INFO L495 AbstractCegarLoop]: Abstraction has 20729 states and 30750 transitions. [2023-12-25 13:59:19,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 115.66666666666667) internal successors, (694), 6 states have internal predecessors, (694), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 13:59:19,741 INFO L276 IsEmpty]: Start isEmpty. Operand 20729 states and 30750 transitions. [2023-12-25 13:59:19,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 757 [2023-12-25 13:59:19,765 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:59:19,765 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:59:19,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2023-12-25 13:59:19,766 INFO L420 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:59:19,766 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:59:19,766 INFO L85 PathProgramCache]: Analyzing trace with hash 1208656743, now seen corresponding path program 1 times [2023-12-25 13:59:19,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:59:19,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731133842] [2023-12-25 13:59:19,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:59:19,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:59:26,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:27,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 13:59:27,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:27,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 13:59:27,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:27,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 13:59:27,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:27,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-25 13:59:27,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:27,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-12-25 13:59:27,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:27,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 13:59:27,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:27,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-12-25 13:59:27,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:27,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 13:59:27,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:27,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-12-25 13:59:27,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:27,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 13:59:27,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:27,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 13:59:27,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:27,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 13:59:27,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:27,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2023-12-25 13:59:27,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:27,932 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-25 13:59:27,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:59:27,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731133842] [2023-12-25 13:59:27,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731133842] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:59:27,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:59:27,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 13:59:27,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111159608] [2023-12-25 13:59:27,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:59:27,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-25 13:59:27,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:59:27,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-25 13:59:27,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-25 13:59:27,935 INFO L87 Difference]: Start difference. First operand 20729 states and 30750 transitions. Second operand has 7 states, 7 states have (on average 99.14285714285714) internal successors, (694), 7 states have internal predecessors, (694), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:59:30,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:59:30,441 INFO L93 Difference]: Finished difference Result 27717 states and 41660 transitions. [2023-12-25 13:59:30,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-25 13:59:30,442 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 99.14285714285714) internal successors, (694), 7 states have internal predecessors, (694), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 756 [2023-12-25 13:59:30,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:59:30,470 INFO L225 Difference]: With dead ends: 27717 [2023-12-25 13:59:30,471 INFO L226 Difference]: Without dead ends: 25536 [2023-12-25 13:59:30,477 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2023-12-25 13:59:30,477 INFO L413 NwaCegarLoop]: 3707 mSDtfsCounter, 14517 mSDsluCounter, 11905 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14530 SdHoareTripleChecker+Valid, 15612 SdHoareTripleChecker+Invalid, 338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 13:59:30,477 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14530 Valid, 15612 Invalid, 338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 13:59:30,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25536 states. [2023-12-25 13:59:32,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25536 to 22218. [2023-12-25 13:59:32,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22218 states, 21238 states have (on average 1.4628025237781335) internal successors, (31067), 21238 states have internal predecessors, (31067), 978 states have call successors, (978), 1 states have call predecessors, (978), 1 states have return successors, (978), 978 states have call predecessors, (978), 978 states have call successors, (978) [2023-12-25 13:59:32,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22218 states to 22218 states and 33023 transitions. [2023-12-25 13:59:32,444 INFO L78 Accepts]: Start accepts. Automaton has 22218 states and 33023 transitions. Word has length 756 [2023-12-25 13:59:32,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:59:32,444 INFO L495 AbstractCegarLoop]: Abstraction has 22218 states and 33023 transitions. [2023-12-25 13:59:32,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 99.14285714285714) internal successors, (694), 7 states have internal predecessors, (694), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-25 13:59:32,444 INFO L276 IsEmpty]: Start isEmpty. Operand 22218 states and 33023 transitions. [2023-12-25 13:59:32,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1785 [2023-12-25 13:59:32,486 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:59:32,487 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:59:32,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2023-12-25 13:59:32,487 INFO L420 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:59:32,487 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:59:32,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1098417601, now seen corresponding path program 1 times [2023-12-25 13:59:32,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:59:32,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438826516] [2023-12-25 13:59:32,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:59:32,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:59:34,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:36,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 13:59:36,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:36,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 13:59:36,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:36,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 13:59:36,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:36,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-25 13:59:36,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:36,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-12-25 13:59:36,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:36,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 13:59:36,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:36,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-12-25 13:59:36,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:36,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 13:59:36,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:36,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-12-25 13:59:36,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:36,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 13:59:36,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:36,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 13:59:36,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:36,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 13:59:36,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:36,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2023-12-25 13:59:36,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:36,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1218 [2023-12-25 13:59:36,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:36,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1233 [2023-12-25 13:59:36,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:36,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1248 [2023-12-25 13:59:36,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:36,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1263 [2023-12-25 13:59:36,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:36,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1282 [2023-12-25 13:59:36,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:36,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1302 [2023-12-25 13:59:36,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:36,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1319 [2023-12-25 13:59:36,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:36,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1336 [2023-12-25 13:59:36,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:36,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1347 [2023-12-25 13:59:36,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:36,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1360 [2023-12-25 13:59:36,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:36,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1373 [2023-12-25 13:59:36,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:36,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1386 [2023-12-25 13:59:36,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:36,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1399 [2023-12-25 13:59:36,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:36,352 INFO L134 CoverageAnalysis]: Checked inductivity of 1823 backedges. 523 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 13:59:36,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:59:36,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438826516] [2023-12-25 13:59:36,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438826516] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:59:36,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:59:36,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:59:36,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328475505] [2023-12-25 13:59:36,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:59:36,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:59:36,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:59:36,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:59:36,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:59:36,356 INFO L87 Difference]: Start difference. First operand 22218 states and 33023 transitions. Second operand has 5 states, 5 states have (on average 331.4) internal successors, (1657), 5 states have internal predecessors, (1657), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 13:59:38,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:59:38,305 INFO L93 Difference]: Finished difference Result 24399 states and 36441 transitions. [2023-12-25 13:59:38,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:59:38,306 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 331.4) internal successors, (1657), 5 states have internal predecessors, (1657), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1784 [2023-12-25 13:59:38,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:59:38,328 INFO L225 Difference]: With dead ends: 24399 [2023-12-25 13:59:38,328 INFO L226 Difference]: Without dead ends: 22218 [2023-12-25 13:59:38,333 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:59:38,334 INFO L413 NwaCegarLoop]: 2541 mSDtfsCounter, 2244 mSDsluCounter, 2559 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2257 SdHoareTripleChecker+Valid, 5100 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:59:38,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2257 Valid, 5100 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:59:38,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22218 states. [2023-12-25 13:59:40,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22218 to 22218. [2023-12-25 13:59:40,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22218 states, 21238 states have (on average 1.4627554383651944) internal successors, (31066), 21238 states have internal predecessors, (31066), 978 states have call successors, (978), 1 states have call predecessors, (978), 1 states have return successors, (978), 978 states have call predecessors, (978), 978 states have call successors, (978) [2023-12-25 13:59:40,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22218 states to 22218 states and 33022 transitions. [2023-12-25 13:59:40,147 INFO L78 Accepts]: Start accepts. Automaton has 22218 states and 33022 transitions. Word has length 1784 [2023-12-25 13:59:40,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:59:40,147 INFO L495 AbstractCegarLoop]: Abstraction has 22218 states and 33022 transitions. [2023-12-25 13:59:40,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 331.4) internal successors, (1657), 5 states have internal predecessors, (1657), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 13:59:40,148 INFO L276 IsEmpty]: Start isEmpty. Operand 22218 states and 33022 transitions. [2023-12-25 13:59:40,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1786 [2023-12-25 13:59:40,190 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:59:40,191 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:59:40,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2023-12-25 13:59:40,191 INFO L420 AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:59:40,191 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:59:40,191 INFO L85 PathProgramCache]: Analyzing trace with hash -101804749, now seen corresponding path program 1 times [2023-12-25 13:59:40,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:59:40,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290294135] [2023-12-25 13:59:40,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:59:40,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:59:41,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:44,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 13:59:44,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:44,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 13:59:44,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:44,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 13:59:44,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:44,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-25 13:59:44,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:44,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-12-25 13:59:44,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:44,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 13:59:44,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:44,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-12-25 13:59:44,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:44,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 13:59:44,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:44,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-12-25 13:59:44,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:44,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 13:59:44,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:44,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 13:59:44,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:44,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 13:59:44,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:44,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2023-12-25 13:59:44,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:44,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1219 [2023-12-25 13:59:44,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:44,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1234 [2023-12-25 13:59:44,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:44,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1249 [2023-12-25 13:59:44,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:44,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1264 [2023-12-25 13:59:44,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:44,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1283 [2023-12-25 13:59:44,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:44,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1303 [2023-12-25 13:59:44,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:44,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1320 [2023-12-25 13:59:44,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:44,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1337 [2023-12-25 13:59:44,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:44,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1348 [2023-12-25 13:59:44,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:44,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1361 [2023-12-25 13:59:44,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:44,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1374 [2023-12-25 13:59:44,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:44,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1387 [2023-12-25 13:59:44,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:44,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1400 [2023-12-25 13:59:44,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:44,046 INFO L134 CoverageAnalysis]: Checked inductivity of 1823 backedges. 523 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 13:59:44,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:59:44,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290294135] [2023-12-25 13:59:44,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290294135] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:59:44,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:59:44,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:59:44,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805536568] [2023-12-25 13:59:44,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:59:44,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:59:44,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:59:44,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:59:44,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:59:44,050 INFO L87 Difference]: Start difference. First operand 22218 states and 33022 transitions. Second operand has 5 states, 5 states have (on average 331.6) internal successors, (1658), 5 states have internal predecessors, (1658), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 13:59:45,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:59:45,989 INFO L93 Difference]: Finished difference Result 24399 states and 36439 transitions. [2023-12-25 13:59:45,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:59:45,990 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 331.6) internal successors, (1658), 5 states have internal predecessors, (1658), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1785 [2023-12-25 13:59:45,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:59:46,009 INFO L225 Difference]: With dead ends: 24399 [2023-12-25 13:59:46,009 INFO L226 Difference]: Without dead ends: 22218 [2023-12-25 13:59:46,012 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:59:46,013 INFO L413 NwaCegarLoop]: 2541 mSDtfsCounter, 2236 mSDsluCounter, 2559 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2249 SdHoareTripleChecker+Valid, 5100 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:59:46,013 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2249 Valid, 5100 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:59:46,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22218 states. [2023-12-25 13:59:47,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22218 to 22218. [2023-12-25 13:59:47,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22218 states, 21238 states have (on average 1.4627083529522553) internal successors, (31065), 21238 states have internal predecessors, (31065), 978 states have call successors, (978), 1 states have call predecessors, (978), 1 states have return successors, (978), 978 states have call predecessors, (978), 978 states have call successors, (978) [2023-12-25 13:59:47,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22218 states to 22218 states and 33021 transitions. [2023-12-25 13:59:47,844 INFO L78 Accepts]: Start accepts. Automaton has 22218 states and 33021 transitions. Word has length 1785 [2023-12-25 13:59:47,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:59:47,845 INFO L495 AbstractCegarLoop]: Abstraction has 22218 states and 33021 transitions. [2023-12-25 13:59:47,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 331.6) internal successors, (1658), 5 states have internal predecessors, (1658), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 13:59:47,845 INFO L276 IsEmpty]: Start isEmpty. Operand 22218 states and 33021 transitions. [2023-12-25 13:59:47,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1787 [2023-12-25 13:59:47,885 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:59:47,886 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:59:47,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2023-12-25 13:59:47,886 INFO L420 AbstractCegarLoop]: === Iteration 100 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:59:47,886 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:59:47,886 INFO L85 PathProgramCache]: Analyzing trace with hash -2093900273, now seen corresponding path program 1 times [2023-12-25 13:59:47,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:59:47,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700976490] [2023-12-25 13:59:47,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:59:47,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:59:49,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:51,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 13:59:51,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:51,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 13:59:51,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:51,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 13:59:51,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:51,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-25 13:59:51,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:51,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-12-25 13:59:51,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:51,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 13:59:51,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:51,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-12-25 13:59:51,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:51,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 13:59:51,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:51,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-12-25 13:59:51,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:51,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 13:59:51,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:51,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 13:59:51,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:51,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 13:59:51,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:51,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2023-12-25 13:59:51,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:51,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1220 [2023-12-25 13:59:51,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:51,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1235 [2023-12-25 13:59:51,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:51,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1250 [2023-12-25 13:59:51,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:51,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1265 [2023-12-25 13:59:51,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:51,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1284 [2023-12-25 13:59:51,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:51,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1304 [2023-12-25 13:59:51,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:51,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1321 [2023-12-25 13:59:51,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:51,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1338 [2023-12-25 13:59:51,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:51,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1349 [2023-12-25 13:59:51,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:51,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1362 [2023-12-25 13:59:51,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:51,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1375 [2023-12-25 13:59:51,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:51,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1388 [2023-12-25 13:59:51,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:51,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1401 [2023-12-25 13:59:51,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:51,427 INFO L134 CoverageAnalysis]: Checked inductivity of 1823 backedges. 523 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 13:59:51,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:59:51,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700976490] [2023-12-25 13:59:51,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700976490] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:59:51,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:59:51,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:59:51,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953920319] [2023-12-25 13:59:51,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:59:51,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:59:51,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:59:51,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:59:51,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:59:51,430 INFO L87 Difference]: Start difference. First operand 22218 states and 33021 transitions. Second operand has 5 states, 5 states have (on average 331.8) internal successors, (1659), 5 states have internal predecessors, (1659), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 13:59:53,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 13:59:53,262 INFO L93 Difference]: Finished difference Result 24399 states and 36437 transitions. [2023-12-25 13:59:53,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 13:59:53,263 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 331.8) internal successors, (1659), 5 states have internal predecessors, (1659), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1786 [2023-12-25 13:59:53,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 13:59:53,282 INFO L225 Difference]: With dead ends: 24399 [2023-12-25 13:59:53,282 INFO L226 Difference]: Without dead ends: 22218 [2023-12-25 13:59:53,285 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 13:59:53,285 INFO L413 NwaCegarLoop]: 2541 mSDtfsCounter, 4114 mSDsluCounter, 2543 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4127 SdHoareTripleChecker+Valid, 5084 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 13:59:53,286 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4127 Valid, 5084 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 13:59:53,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22218 states. [2023-12-25 13:59:55,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22218 to 22218. [2023-12-25 13:59:55,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22218 states, 21238 states have (on average 1.4626612675393162) internal successors, (31064), 21238 states have internal predecessors, (31064), 978 states have call successors, (978), 1 states have call predecessors, (978), 1 states have return successors, (978), 978 states have call predecessors, (978), 978 states have call successors, (978) [2023-12-25 13:59:55,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22218 states to 22218 states and 33020 transitions. [2023-12-25 13:59:55,091 INFO L78 Accepts]: Start accepts. Automaton has 22218 states and 33020 transitions. Word has length 1786 [2023-12-25 13:59:55,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 13:59:55,091 INFO L495 AbstractCegarLoop]: Abstraction has 22218 states and 33020 transitions. [2023-12-25 13:59:55,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 331.8) internal successors, (1659), 5 states have internal predecessors, (1659), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 13:59:55,092 INFO L276 IsEmpty]: Start isEmpty. Operand 22218 states and 33020 transitions. [2023-12-25 13:59:55,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1788 [2023-12-25 13:59:55,132 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 13:59:55,132 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 13:59:55,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2023-12-25 13:59:55,132 INFO L420 AbstractCegarLoop]: === Iteration 101 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 13:59:55,132 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 13:59:55,133 INFO L85 PathProgramCache]: Analyzing trace with hash 3865921, now seen corresponding path program 1 times [2023-12-25 13:59:55,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 13:59:55,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080569523] [2023-12-25 13:59:55,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 13:59:55,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 13:59:56,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:58,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 13:59:58,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:58,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 13:59:58,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:58,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 13:59:58,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:58,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-25 13:59:58,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:58,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-12-25 13:59:58,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:58,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 13:59:58,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:58,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-12-25 13:59:58,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:58,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 13:59:58,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:58,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-12-25 13:59:58,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:58,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 13:59:58,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:58,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 13:59:58,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:58,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 13:59:58,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:58,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2023-12-25 13:59:58,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:58,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1221 [2023-12-25 13:59:58,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:58,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1236 [2023-12-25 13:59:58,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:58,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1251 [2023-12-25 13:59:58,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:58,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1266 [2023-12-25 13:59:58,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:58,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1285 [2023-12-25 13:59:58,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:58,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1305 [2023-12-25 13:59:58,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:58,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1322 [2023-12-25 13:59:58,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:58,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1339 [2023-12-25 13:59:58,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:58,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1350 [2023-12-25 13:59:58,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:58,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1363 [2023-12-25 13:59:58,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:58,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1376 [2023-12-25 13:59:58,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:58,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1389 [2023-12-25 13:59:58,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:58,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1402 [2023-12-25 13:59:58,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 13:59:58,737 INFO L134 CoverageAnalysis]: Checked inductivity of 1823 backedges. 523 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 13:59:58,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 13:59:58,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080569523] [2023-12-25 13:59:58,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080569523] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 13:59:58,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 13:59:58,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 13:59:58,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31565014] [2023-12-25 13:59:58,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 13:59:58,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 13:59:58,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 13:59:58,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 13:59:58,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 13:59:58,740 INFO L87 Difference]: Start difference. First operand 22218 states and 33020 transitions. Second operand has 5 states, 5 states have (on average 332.0) internal successors, (1660), 5 states have internal predecessors, (1660), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:00:00,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:00:00,743 INFO L93 Difference]: Finished difference Result 24399 states and 36435 transitions. [2023-12-25 14:00:00,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:00:00,744 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 332.0) internal successors, (1660), 5 states have internal predecessors, (1660), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1787 [2023-12-25 14:00:00,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:00:00,764 INFO L225 Difference]: With dead ends: 24399 [2023-12-25 14:00:00,764 INFO L226 Difference]: Without dead ends: 22218 [2023-12-25 14:00:00,768 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:00:00,768 INFO L413 NwaCegarLoop]: 2541 mSDtfsCounter, 4098 mSDsluCounter, 2543 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4111 SdHoareTripleChecker+Valid, 5084 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:00:00,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4111 Valid, 5084 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:00:00,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22218 states. [2023-12-25 14:00:02,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22218 to 22218. [2023-12-25 14:00:02,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22218 states, 21238 states have (on average 1.4626141821263772) internal successors, (31063), 21238 states have internal predecessors, (31063), 978 states have call successors, (978), 1 states have call predecessors, (978), 1 states have return successors, (978), 978 states have call predecessors, (978), 978 states have call successors, (978) [2023-12-25 14:00:02,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22218 states to 22218 states and 33019 transitions. [2023-12-25 14:00:02,478 INFO L78 Accepts]: Start accepts. Automaton has 22218 states and 33019 transitions. Word has length 1787 [2023-12-25 14:00:02,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:00:02,478 INFO L495 AbstractCegarLoop]: Abstraction has 22218 states and 33019 transitions. [2023-12-25 14:00:02,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 332.0) internal successors, (1660), 5 states have internal predecessors, (1660), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:00:02,479 INFO L276 IsEmpty]: Start isEmpty. Operand 22218 states and 33019 transitions. [2023-12-25 14:00:02,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1789 [2023-12-25 14:00:02,519 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:00:02,519 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:00:02,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2023-12-25 14:00:02,519 INFO L420 AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:00:02,520 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:00:02,520 INFO L85 PathProgramCache]: Analyzing trace with hash 2074899611, now seen corresponding path program 1 times [2023-12-25 14:00:02,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:00:02,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969413611] [2023-12-25 14:00:02,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:00:02,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:00:03,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:06,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 14:00:06,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:06,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:00:06,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:06,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 14:00:06,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:06,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-25 14:00:06,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:06,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-12-25 14:00:06,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:06,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 14:00:06,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:06,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-12-25 14:00:06,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:06,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 14:00:06,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:06,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-12-25 14:00:06,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:06,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:00:06,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:06,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:00:06,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:06,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:00:06,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:06,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2023-12-25 14:00:06,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:06,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1222 [2023-12-25 14:00:06,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:06,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1237 [2023-12-25 14:00:06,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:06,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1252 [2023-12-25 14:00:06,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:06,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1267 [2023-12-25 14:00:06,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:06,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1286 [2023-12-25 14:00:06,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:06,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1306 [2023-12-25 14:00:06,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:06,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1323 [2023-12-25 14:00:06,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:06,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1340 [2023-12-25 14:00:06,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:06,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1351 [2023-12-25 14:00:06,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:06,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1364 [2023-12-25 14:00:06,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:06,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1377 [2023-12-25 14:00:06,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:06,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1390 [2023-12-25 14:00:06,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:06,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1403 [2023-12-25 14:00:06,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:06,580 INFO L134 CoverageAnalysis]: Checked inductivity of 1823 backedges. 523 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:00:06,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:00:06,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969413611] [2023-12-25 14:00:06,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969413611] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:00:06,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:00:06,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:00:06,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390758488] [2023-12-25 14:00:06,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:00:06,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:00:06,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:00:06,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:00:06,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:00:06,582 INFO L87 Difference]: Start difference. First operand 22218 states and 33019 transitions. Second operand has 5 states, 5 states have (on average 332.2) internal successors, (1661), 5 states have internal predecessors, (1661), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:00:08,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:00:08,403 INFO L93 Difference]: Finished difference Result 24399 states and 36433 transitions. [2023-12-25 14:00:08,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:00:08,404 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 332.2) internal successors, (1661), 5 states have internal predecessors, (1661), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1788 [2023-12-25 14:00:08,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:00:08,425 INFO L225 Difference]: With dead ends: 24399 [2023-12-25 14:00:08,425 INFO L226 Difference]: Without dead ends: 22218 [2023-12-25 14:00:08,429 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:00:08,429 INFO L413 NwaCegarLoop]: 2580 mSDtfsCounter, 2206 mSDsluCounter, 2598 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2219 SdHoareTripleChecker+Valid, 5178 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:00:08,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2219 Valid, 5178 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:00:08,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22218 states. [2023-12-25 14:00:10,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22218 to 22218. [2023-12-25 14:00:10,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22218 states, 21238 states have (on average 1.462567096713438) internal successors, (31062), 21238 states have internal predecessors, (31062), 978 states have call successors, (978), 1 states have call predecessors, (978), 1 states have return successors, (978), 978 states have call predecessors, (978), 978 states have call successors, (978) [2023-12-25 14:00:10,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22218 states to 22218 states and 33018 transitions. [2023-12-25 14:00:10,210 INFO L78 Accepts]: Start accepts. Automaton has 22218 states and 33018 transitions. Word has length 1788 [2023-12-25 14:00:10,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:00:10,210 INFO L495 AbstractCegarLoop]: Abstraction has 22218 states and 33018 transitions. [2023-12-25 14:00:10,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 332.2) internal successors, (1661), 5 states have internal predecessors, (1661), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:00:10,211 INFO L276 IsEmpty]: Start isEmpty. Operand 22218 states and 33018 transitions. [2023-12-25 14:00:10,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1790 [2023-12-25 14:00:10,255 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:00:10,256 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:00:10,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2023-12-25 14:00:10,256 INFO L420 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:00:10,256 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:00:10,257 INFO L85 PathProgramCache]: Analyzing trace with hash 736458961, now seen corresponding path program 1 times [2023-12-25 14:00:10,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:00:10,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790733810] [2023-12-25 14:00:10,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:00:10,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:00:11,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:13,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 14:00:13,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:13,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:00:13,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:13,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 14:00:13,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:13,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-25 14:00:13,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:13,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-12-25 14:00:13,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:13,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 14:00:13,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:13,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-12-25 14:00:13,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:13,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 14:00:13,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:13,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-12-25 14:00:13,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:13,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:00:13,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:13,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:00:13,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:13,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:00:13,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:13,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2023-12-25 14:00:13,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:13,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1223 [2023-12-25 14:00:13,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:13,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1238 [2023-12-25 14:00:13,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:13,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1253 [2023-12-25 14:00:13,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:13,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1268 [2023-12-25 14:00:13,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:13,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1287 [2023-12-25 14:00:13,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:13,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1307 [2023-12-25 14:00:13,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:13,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1324 [2023-12-25 14:00:13,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:13,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1341 [2023-12-25 14:00:13,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:13,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1352 [2023-12-25 14:00:13,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:13,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1365 [2023-12-25 14:00:13,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:13,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1378 [2023-12-25 14:00:13,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:13,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1391 [2023-12-25 14:00:13,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:13,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1404 [2023-12-25 14:00:13,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:13,621 INFO L134 CoverageAnalysis]: Checked inductivity of 1823 backedges. 523 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:00:13,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:00:13,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790733810] [2023-12-25 14:00:13,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790733810] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:00:13,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:00:13,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:00:13,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473344962] [2023-12-25 14:00:13,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:00:13,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:00:13,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:00:13,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:00:13,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:00:13,623 INFO L87 Difference]: Start difference. First operand 22218 states and 33018 transitions. Second operand has 5 states, 5 states have (on average 332.4) internal successors, (1662), 5 states have internal predecessors, (1662), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:00:15,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:00:15,460 INFO L93 Difference]: Finished difference Result 24399 states and 36431 transitions. [2023-12-25 14:00:15,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:00:15,461 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 332.4) internal successors, (1662), 5 states have internal predecessors, (1662), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1789 [2023-12-25 14:00:15,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:00:15,484 INFO L225 Difference]: With dead ends: 24399 [2023-12-25 14:00:15,484 INFO L226 Difference]: Without dead ends: 22218 [2023-12-25 14:00:15,490 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:00:15,490 INFO L413 NwaCegarLoop]: 2580 mSDtfsCounter, 4060 mSDsluCounter, 2582 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4073 SdHoareTripleChecker+Valid, 5162 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:00:15,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4073 Valid, 5162 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:00:15,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22218 states. [2023-12-25 14:00:17,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22218 to 22218. [2023-12-25 14:00:17,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22218 states, 21238 states have (on average 1.462520011300499) internal successors, (31061), 21238 states have internal predecessors, (31061), 978 states have call successors, (978), 1 states have call predecessors, (978), 1 states have return successors, (978), 978 states have call predecessors, (978), 978 states have call successors, (978) [2023-12-25 14:00:17,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22218 states to 22218 states and 33017 transitions. [2023-12-25 14:00:17,211 INFO L78 Accepts]: Start accepts. Automaton has 22218 states and 33017 transitions. Word has length 1789 [2023-12-25 14:00:17,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:00:17,212 INFO L495 AbstractCegarLoop]: Abstraction has 22218 states and 33017 transitions. [2023-12-25 14:00:17,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 332.4) internal successors, (1662), 5 states have internal predecessors, (1662), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:00:17,212 INFO L276 IsEmpty]: Start isEmpty. Operand 22218 states and 33017 transitions. [2023-12-25 14:00:17,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1791 [2023-12-25 14:00:17,252 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:00:17,253 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:00:17,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2023-12-25 14:00:17,253 INFO L420 AbstractCegarLoop]: === Iteration 104 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:00:17,253 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:00:17,253 INFO L85 PathProgramCache]: Analyzing trace with hash -608440471, now seen corresponding path program 1 times [2023-12-25 14:00:17,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:00:17,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145254375] [2023-12-25 14:00:17,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:00:17,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:00:18,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:20,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 14:00:20,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:20,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:00:20,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:20,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 14:00:20,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:20,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-25 14:00:20,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:20,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-12-25 14:00:20,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:20,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 14:00:20,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:20,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-12-25 14:00:20,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:20,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 14:00:20,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:20,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-12-25 14:00:20,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:20,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:00:20,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:20,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:00:20,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:20,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:00:20,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:20,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2023-12-25 14:00:20,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:20,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1224 [2023-12-25 14:00:20,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:20,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1239 [2023-12-25 14:00:20,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:20,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1254 [2023-12-25 14:00:20,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:20,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1269 [2023-12-25 14:00:20,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:20,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1288 [2023-12-25 14:00:20,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:20,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1308 [2023-12-25 14:00:20,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:20,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1325 [2023-12-25 14:00:20,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:20,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1342 [2023-12-25 14:00:20,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:20,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1353 [2023-12-25 14:00:20,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:20,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1366 [2023-12-25 14:00:20,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:20,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1379 [2023-12-25 14:00:20,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:20,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1392 [2023-12-25 14:00:20,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:20,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1405 [2023-12-25 14:00:20,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:20,699 INFO L134 CoverageAnalysis]: Checked inductivity of 1823 backedges. 523 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:00:20,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:00:20,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145254375] [2023-12-25 14:00:20,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145254375] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:00:20,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:00:20,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:00:20,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739972505] [2023-12-25 14:00:20,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:00:20,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:00:20,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:00:20,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:00:20,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:00:20,702 INFO L87 Difference]: Start difference. First operand 22218 states and 33017 transitions. Second operand has 5 states, 5 states have (on average 332.6) internal successors, (1663), 5 states have internal predecessors, (1663), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-12-25 14:00:23,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:00:23,065 INFO L93 Difference]: Finished difference Result 24399 states and 36429 transitions. [2023-12-25 14:00:23,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:00:23,065 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 332.6) internal successors, (1663), 5 states have internal predecessors, (1663), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 1790 [2023-12-25 14:00:23,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:00:23,087 INFO L225 Difference]: With dead ends: 24399 [2023-12-25 14:00:23,087 INFO L226 Difference]: Without dead ends: 22218 [2023-12-25 14:00:23,091 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:00:23,092 INFO L413 NwaCegarLoop]: 2077 mSDtfsCounter, 2048 mSDsluCounter, 2095 mSDsCounter, 0 mSdLazyCounter, 1174 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2049 SdHoareTripleChecker+Valid, 4172 SdHoareTripleChecker+Invalid, 1175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 14:00:23,092 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2049 Valid, 4172 Invalid, 1175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1174 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 14:00:23,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22218 states. [2023-12-25 14:00:24,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22218 to 22218. [2023-12-25 14:00:24,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22218 states, 21238 states have (on average 1.46247292588756) internal successors, (31060), 21238 states have internal predecessors, (31060), 978 states have call successors, (978), 1 states have call predecessors, (978), 1 states have return successors, (978), 978 states have call predecessors, (978), 978 states have call successors, (978) [2023-12-25 14:00:24,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22218 states to 22218 states and 33016 transitions. [2023-12-25 14:00:24,832 INFO L78 Accepts]: Start accepts. Automaton has 22218 states and 33016 transitions. Word has length 1790 [2023-12-25 14:00:24,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:00:24,833 INFO L495 AbstractCegarLoop]: Abstraction has 22218 states and 33016 transitions. [2023-12-25 14:00:24,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 332.6) internal successors, (1663), 5 states have internal predecessors, (1663), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-12-25 14:00:24,833 INFO L276 IsEmpty]: Start isEmpty. Operand 22218 states and 33016 transitions. [2023-12-25 14:00:24,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1792 [2023-12-25 14:00:24,875 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:00:24,875 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:00:24,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2023-12-25 14:00:24,876 INFO L420 AbstractCegarLoop]: === Iteration 105 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:00:24,876 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:00:24,876 INFO L85 PathProgramCache]: Analyzing trace with hash -893984161, now seen corresponding path program 1 times [2023-12-25 14:00:24,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:00:24,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849374502] [2023-12-25 14:00:24,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:00:24,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:00:26,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:28,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 14:00:28,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:28,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:00:28,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:28,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 14:00:28,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:28,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-25 14:00:28,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:28,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-12-25 14:00:28,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:28,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 14:00:28,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:28,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-12-25 14:00:28,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:28,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 14:00:28,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:28,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-12-25 14:00:28,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:28,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:00:28,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:28,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:00:28,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:28,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:00:28,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:28,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2023-12-25 14:00:28,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:28,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1225 [2023-12-25 14:00:28,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:28,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1240 [2023-12-25 14:00:28,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:28,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1255 [2023-12-25 14:00:28,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:28,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1270 [2023-12-25 14:00:28,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:28,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1289 [2023-12-25 14:00:28,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:28,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1309 [2023-12-25 14:00:28,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:28,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1326 [2023-12-25 14:00:28,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:28,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1343 [2023-12-25 14:00:28,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:28,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1354 [2023-12-25 14:00:28,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:28,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1367 [2023-12-25 14:00:28,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:28,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1380 [2023-12-25 14:00:28,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:28,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1393 [2023-12-25 14:00:28,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:28,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1406 [2023-12-25 14:00:28,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:28,137 INFO L134 CoverageAnalysis]: Checked inductivity of 1823 backedges. 523 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:00:28,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:00:28,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849374502] [2023-12-25 14:00:28,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849374502] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:00:28,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:00:28,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:00:28,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927839114] [2023-12-25 14:00:28,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:00:28,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:00:28,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:00:28,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:00:28,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:00:28,139 INFO L87 Difference]: Start difference. First operand 22218 states and 33016 transitions. Second operand has 5 states, 5 states have (on average 332.8) internal successors, (1664), 5 states have internal predecessors, (1664), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:00:29,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:00:29,990 INFO L93 Difference]: Finished difference Result 24399 states and 36427 transitions. [2023-12-25 14:00:29,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:00:29,991 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 332.8) internal successors, (1664), 5 states have internal predecessors, (1664), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1791 [2023-12-25 14:00:29,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:00:30,018 INFO L225 Difference]: With dead ends: 24399 [2023-12-25 14:00:30,018 INFO L226 Difference]: Without dead ends: 22218 [2023-12-25 14:00:30,025 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:00:30,025 INFO L413 NwaCegarLoop]: 2538 mSDtfsCounter, 2138 mSDsluCounter, 2556 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2151 SdHoareTripleChecker+Valid, 5094 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:00:30,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2151 Valid, 5094 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:00:30,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22218 states. [2023-12-25 14:00:31,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22218 to 22218. [2023-12-25 14:00:31,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22218 states, 21238 states have (on average 1.4624258404746209) internal successors, (31059), 21238 states have internal predecessors, (31059), 978 states have call successors, (978), 1 states have call predecessors, (978), 1 states have return successors, (978), 978 states have call predecessors, (978), 978 states have call successors, (978) [2023-12-25 14:00:31,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22218 states to 22218 states and 33015 transitions. [2023-12-25 14:00:31,790 INFO L78 Accepts]: Start accepts. Automaton has 22218 states and 33015 transitions. Word has length 1791 [2023-12-25 14:00:31,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:00:31,790 INFO L495 AbstractCegarLoop]: Abstraction has 22218 states and 33015 transitions. [2023-12-25 14:00:31,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 332.8) internal successors, (1664), 5 states have internal predecessors, (1664), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:00:31,791 INFO L276 IsEmpty]: Start isEmpty. Operand 22218 states and 33015 transitions. [2023-12-25 14:00:31,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1793 [2023-12-25 14:00:31,833 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:00:31,833 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:00:31,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2023-12-25 14:00:31,833 INFO L420 AbstractCegarLoop]: === Iteration 106 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:00:31,834 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:00:31,834 INFO L85 PathProgramCache]: Analyzing trace with hash 239127297, now seen corresponding path program 1 times [2023-12-25 14:00:31,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:00:31,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090803565] [2023-12-25 14:00:31,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:00:31,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:00:33,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:35,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 14:00:35,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:35,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:00:35,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:35,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 14:00:35,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:35,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-25 14:00:35,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:35,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-12-25 14:00:35,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:35,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 14:00:35,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:35,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-12-25 14:00:35,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:35,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 14:00:35,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:35,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-12-25 14:00:35,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:35,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:00:35,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:35,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:00:35,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:35,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:00:35,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:35,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2023-12-25 14:00:35,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:35,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1226 [2023-12-25 14:00:35,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:35,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1241 [2023-12-25 14:00:35,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:35,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1256 [2023-12-25 14:00:35,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:35,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1271 [2023-12-25 14:00:35,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:35,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1290 [2023-12-25 14:00:35,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:35,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1310 [2023-12-25 14:00:35,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:35,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1327 [2023-12-25 14:00:35,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:35,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1344 [2023-12-25 14:00:35,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:35,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1355 [2023-12-25 14:00:35,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:35,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1368 [2023-12-25 14:00:35,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:35,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1381 [2023-12-25 14:00:35,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:35,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1394 [2023-12-25 14:00:35,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:35,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1407 [2023-12-25 14:00:35,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:35,039 INFO L134 CoverageAnalysis]: Checked inductivity of 1823 backedges. 523 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:00:35,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:00:35,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090803565] [2023-12-25 14:00:35,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090803565] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:00:35,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:00:35,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:00:35,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028655472] [2023-12-25 14:00:35,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:00:35,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:00:35,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:00:35,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:00:35,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:00:35,041 INFO L87 Difference]: Start difference. First operand 22218 states and 33015 transitions. Second operand has 5 states, 5 states have (on average 333.0) internal successors, (1665), 5 states have internal predecessors, (1665), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:00:36,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:00:36,879 INFO L93 Difference]: Finished difference Result 24399 states and 36425 transitions. [2023-12-25 14:00:36,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:00:36,880 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 333.0) internal successors, (1665), 5 states have internal predecessors, (1665), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1792 [2023-12-25 14:00:36,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:00:36,902 INFO L225 Difference]: With dead ends: 24399 [2023-12-25 14:00:36,902 INFO L226 Difference]: Without dead ends: 22218 [2023-12-25 14:00:36,908 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:00:36,909 INFO L413 NwaCegarLoop]: 2538 mSDtfsCounter, 3918 mSDsluCounter, 2540 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3931 SdHoareTripleChecker+Valid, 5078 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:00:36,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3931 Valid, 5078 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:00:36,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22218 states. [2023-12-25 14:00:38,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22218 to 22218. [2023-12-25 14:00:38,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22218 states, 21238 states have (on average 1.4623787550616818) internal successors, (31058), 21238 states have internal predecessors, (31058), 978 states have call successors, (978), 1 states have call predecessors, (978), 1 states have return successors, (978), 978 states have call predecessors, (978), 978 states have call successors, (978) [2023-12-25 14:00:38,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22218 states to 22218 states and 33014 transitions. [2023-12-25 14:00:38,724 INFO L78 Accepts]: Start accepts. Automaton has 22218 states and 33014 transitions. Word has length 1792 [2023-12-25 14:00:38,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:00:38,725 INFO L495 AbstractCegarLoop]: Abstraction has 22218 states and 33014 transitions. [2023-12-25 14:00:38,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 333.0) internal successors, (1665), 5 states have internal predecessors, (1665), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:00:38,725 INFO L276 IsEmpty]: Start isEmpty. Operand 22218 states and 33014 transitions. [2023-12-25 14:00:38,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1794 [2023-12-25 14:00:38,768 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:00:38,768 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:00:38,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2023-12-25 14:00:38,768 INFO L420 AbstractCegarLoop]: === Iteration 107 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:00:38,769 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:00:38,769 INFO L85 PathProgramCache]: Analyzing trace with hash -1102225685, now seen corresponding path program 1 times [2023-12-25 14:00:38,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:00:38,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663660407] [2023-12-25 14:00:38,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:00:38,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:00:39,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:41,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 14:00:41,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:41,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:00:41,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:41,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 14:00:41,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:41,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-25 14:00:41,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:41,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-12-25 14:00:41,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:41,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 14:00:41,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:41,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-12-25 14:00:41,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:41,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 14:00:41,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:41,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-12-25 14:00:41,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:41,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:00:41,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:41,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:00:41,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:41,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:00:41,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:41,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2023-12-25 14:00:41,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:41,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1227 [2023-12-25 14:00:41,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:41,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1242 [2023-12-25 14:00:41,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:41,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1257 [2023-12-25 14:00:41,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:41,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1272 [2023-12-25 14:00:41,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:41,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1291 [2023-12-25 14:00:41,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:41,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1311 [2023-12-25 14:00:41,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:41,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1328 [2023-12-25 14:00:41,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:41,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1345 [2023-12-25 14:00:41,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:41,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1356 [2023-12-25 14:00:41,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:41,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1369 [2023-12-25 14:00:41,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:41,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1382 [2023-12-25 14:00:41,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:41,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1395 [2023-12-25 14:00:41,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:41,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1408 [2023-12-25 14:00:41,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:41,965 INFO L134 CoverageAnalysis]: Checked inductivity of 1823 backedges. 523 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:00:41,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:00:41,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663660407] [2023-12-25 14:00:41,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663660407] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:00:41,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:00:41,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:00:41,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023162944] [2023-12-25 14:00:41,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:00:41,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:00:41,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:00:41,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:00:41,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:00:41,968 INFO L87 Difference]: Start difference. First operand 22218 states and 33014 transitions. Second operand has 5 states, 5 states have (on average 333.2) internal successors, (1666), 5 states have internal predecessors, (1666), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:00:43,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:00:43,800 INFO L93 Difference]: Finished difference Result 24399 states and 36423 transitions. [2023-12-25 14:00:43,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:00:43,801 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 333.2) internal successors, (1666), 5 states have internal predecessors, (1666), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1793 [2023-12-25 14:00:43,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:00:43,825 INFO L225 Difference]: With dead ends: 24399 [2023-12-25 14:00:43,825 INFO L226 Difference]: Without dead ends: 22218 [2023-12-25 14:00:43,833 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:00:43,833 INFO L413 NwaCegarLoop]: 2538 mSDtfsCounter, 2122 mSDsluCounter, 2556 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2135 SdHoareTripleChecker+Valid, 5094 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:00:43,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2135 Valid, 5094 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:00:43,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22218 states. [2023-12-25 14:00:45,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22218 to 22218. [2023-12-25 14:00:45,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22218 states, 21238 states have (on average 1.4623316696487427) internal successors, (31057), 21238 states have internal predecessors, (31057), 978 states have call successors, (978), 1 states have call predecessors, (978), 1 states have return successors, (978), 978 states have call predecessors, (978), 978 states have call successors, (978) [2023-12-25 14:00:45,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22218 states to 22218 states and 33013 transitions. [2023-12-25 14:00:45,628 INFO L78 Accepts]: Start accepts. Automaton has 22218 states and 33013 transitions. Word has length 1793 [2023-12-25 14:00:45,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:00:45,628 INFO L495 AbstractCegarLoop]: Abstraction has 22218 states and 33013 transitions. [2023-12-25 14:00:45,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 333.2) internal successors, (1666), 5 states have internal predecessors, (1666), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:00:45,629 INFO L276 IsEmpty]: Start isEmpty. Operand 22218 states and 33013 transitions. [2023-12-25 14:00:45,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1795 [2023-12-25 14:00:45,673 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:00:45,673 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:00:45,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2023-12-25 14:00:45,673 INFO L420 AbstractCegarLoop]: === Iteration 108 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:00:45,674 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:00:45,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1673267055, now seen corresponding path program 1 times [2023-12-25 14:00:45,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:00:45,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553952885] [2023-12-25 14:00:45,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:00:45,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:00:47,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:49,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 14:00:49,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:49,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:00:49,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:49,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 14:00:49,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:49,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-25 14:00:49,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:49,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-12-25 14:00:49,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:49,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 14:00:49,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:49,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-12-25 14:00:49,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:49,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 14:00:49,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:49,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-12-25 14:00:49,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:49,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:00:49,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:49,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:00:49,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:49,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:00:49,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:49,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2023-12-25 14:00:49,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:49,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1228 [2023-12-25 14:00:49,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:49,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1243 [2023-12-25 14:00:49,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:49,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1258 [2023-12-25 14:00:49,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:49,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1273 [2023-12-25 14:00:49,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:49,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1292 [2023-12-25 14:00:49,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:49,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1312 [2023-12-25 14:00:49,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:49,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1329 [2023-12-25 14:00:49,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:49,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1346 [2023-12-25 14:00:49,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:49,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1357 [2023-12-25 14:00:49,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:49,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1370 [2023-12-25 14:00:49,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:49,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1383 [2023-12-25 14:00:49,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:49,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1396 [2023-12-25 14:00:49,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:49,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1409 [2023-12-25 14:00:49,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:49,281 INFO L134 CoverageAnalysis]: Checked inductivity of 1823 backedges. 523 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:00:49,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:00:49,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553952885] [2023-12-25 14:00:49,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553952885] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:00:49,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:00:49,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:00:49,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988274405] [2023-12-25 14:00:49,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:00:49,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:00:49,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:00:49,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:00:49,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:00:49,283 INFO L87 Difference]: Start difference. First operand 22218 states and 33013 transitions. Second operand has 5 states, 5 states have (on average 333.4) internal successors, (1667), 5 states have internal predecessors, (1667), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:00:51,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:00:51,014 INFO L93 Difference]: Finished difference Result 24399 states and 36421 transitions. [2023-12-25 14:00:51,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:00:51,015 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 333.4) internal successors, (1667), 5 states have internal predecessors, (1667), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1794 [2023-12-25 14:00:51,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:00:51,037 INFO L225 Difference]: With dead ends: 24399 [2023-12-25 14:00:51,037 INFO L226 Difference]: Without dead ends: 22218 [2023-12-25 14:00:51,044 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:00:51,044 INFO L413 NwaCegarLoop]: 2538 mSDtfsCounter, 2114 mSDsluCounter, 2556 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2127 SdHoareTripleChecker+Valid, 5094 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:00:51,044 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2127 Valid, 5094 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:00:51,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22218 states. [2023-12-25 14:00:52,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22218 to 22218. [2023-12-25 14:00:52,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22218 states, 21238 states have (on average 1.4622845842358037) internal successors, (31056), 21238 states have internal predecessors, (31056), 978 states have call successors, (978), 1 states have call predecessors, (978), 1 states have return successors, (978), 978 states have call predecessors, (978), 978 states have call successors, (978) [2023-12-25 14:00:52,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22218 states to 22218 states and 33012 transitions. [2023-12-25 14:00:52,856 INFO L78 Accepts]: Start accepts. Automaton has 22218 states and 33012 transitions. Word has length 1794 [2023-12-25 14:00:52,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:00:52,856 INFO L495 AbstractCegarLoop]: Abstraction has 22218 states and 33012 transitions. [2023-12-25 14:00:52,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 333.4) internal successors, (1667), 5 states have internal predecessors, (1667), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:00:52,857 INFO L276 IsEmpty]: Start isEmpty. Operand 22218 states and 33012 transitions. [2023-12-25 14:00:52,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1796 [2023-12-25 14:00:52,895 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:00:52,896 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:00:52,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2023-12-25 14:00:52,896 INFO L420 AbstractCegarLoop]: === Iteration 109 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:00:52,896 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:00:52,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1309879367, now seen corresponding path program 1 times [2023-12-25 14:00:52,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:00:52,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681361619] [2023-12-25 14:00:52,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:00:52,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:00:54,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:56,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 14:00:56,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:56,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:00:56,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:56,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 14:00:56,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:56,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-25 14:00:56,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:56,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-12-25 14:00:56,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:56,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 14:00:56,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:56,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-12-25 14:00:56,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:56,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 14:00:56,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:56,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-12-25 14:00:56,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:56,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:00:56,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:56,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:00:56,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:56,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:00:56,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:56,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2023-12-25 14:00:56,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:56,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1229 [2023-12-25 14:00:56,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:56,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1244 [2023-12-25 14:00:56,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:56,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1259 [2023-12-25 14:00:56,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:56,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1274 [2023-12-25 14:00:56,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:56,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1293 [2023-12-25 14:00:56,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:56,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1313 [2023-12-25 14:00:56,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:56,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1330 [2023-12-25 14:00:56,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:56,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1347 [2023-12-25 14:00:56,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:56,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1358 [2023-12-25 14:00:56,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:56,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1371 [2023-12-25 14:00:56,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:56,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1384 [2023-12-25 14:00:56,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:56,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1397 [2023-12-25 14:00:56,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:56,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2023-12-25 14:00:56,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:00:56,465 INFO L134 CoverageAnalysis]: Checked inductivity of 1823 backedges. 523 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:00:56,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:00:56,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681361619] [2023-12-25 14:00:56,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681361619] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:00:56,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:00:56,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:00:56,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954383419] [2023-12-25 14:00:56,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:00:56,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:00:56,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:00:56,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:00:56,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:00:56,468 INFO L87 Difference]: Start difference. First operand 22218 states and 33012 transitions. Second operand has 5 states, 5 states have (on average 333.6) internal successors, (1668), 5 states have internal predecessors, (1668), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:00:58,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:00:58,224 INFO L93 Difference]: Finished difference Result 24399 states and 36419 transitions. [2023-12-25 14:00:58,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:00:58,225 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 333.6) internal successors, (1668), 5 states have internal predecessors, (1668), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1795 [2023-12-25 14:00:58,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:00:58,243 INFO L225 Difference]: With dead ends: 24399 [2023-12-25 14:00:58,243 INFO L226 Difference]: Without dead ends: 22218 [2023-12-25 14:00:58,247 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:00:58,247 INFO L413 NwaCegarLoop]: 2575 mSDtfsCounter, 2100 mSDsluCounter, 2593 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2113 SdHoareTripleChecker+Valid, 5168 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:00:58,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2113 Valid, 5168 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:00:58,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22218 states. [2023-12-25 14:00:59,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22218 to 22218. [2023-12-25 14:00:59,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22218 states, 21238 states have (on average 1.4622374988228646) internal successors, (31055), 21238 states have internal predecessors, (31055), 978 states have call successors, (978), 1 states have call predecessors, (978), 1 states have return successors, (978), 978 states have call predecessors, (978), 978 states have call successors, (978) [2023-12-25 14:00:59,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22218 states to 22218 states and 33011 transitions. [2023-12-25 14:00:59,945 INFO L78 Accepts]: Start accepts. Automaton has 22218 states and 33011 transitions. Word has length 1795 [2023-12-25 14:00:59,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:00:59,945 INFO L495 AbstractCegarLoop]: Abstraction has 22218 states and 33011 transitions. [2023-12-25 14:00:59,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 333.6) internal successors, (1668), 5 states have internal predecessors, (1668), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:00:59,946 INFO L276 IsEmpty]: Start isEmpty. Operand 22218 states and 33011 transitions. [2023-12-25 14:00:59,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1797 [2023-12-25 14:00:59,987 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:00:59,987 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:00:59,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2023-12-25 14:00:59,987 INFO L420 AbstractCegarLoop]: === Iteration 110 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:00:59,988 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:00:59,988 INFO L85 PathProgramCache]: Analyzing trace with hash 606617631, now seen corresponding path program 1 times [2023-12-25 14:00:59,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:00:59,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142528106] [2023-12-25 14:00:59,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:00:59,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:01:01,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:03,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 14:01:03,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:03,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:01:03,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:03,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 14:01:03,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:03,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-25 14:01:03,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:03,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-12-25 14:01:03,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:03,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 14:01:03,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:03,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-12-25 14:01:03,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:03,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 14:01:03,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:03,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-12-25 14:01:03,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:03,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:01:03,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:03,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:01:03,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:03,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:01:03,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:03,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2023-12-25 14:01:03,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:03,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1230 [2023-12-25 14:01:03,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:03,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1245 [2023-12-25 14:01:03,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:03,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1260 [2023-12-25 14:01:03,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:03,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1275 [2023-12-25 14:01:03,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:03,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1294 [2023-12-25 14:01:03,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:03,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1314 [2023-12-25 14:01:03,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:03,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1331 [2023-12-25 14:01:03,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:03,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1348 [2023-12-25 14:01:03,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:03,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1359 [2023-12-25 14:01:03,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:03,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1372 [2023-12-25 14:01:03,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:03,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1385 [2023-12-25 14:01:03,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:03,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1398 [2023-12-25 14:01:03,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:03,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1411 [2023-12-25 14:01:03,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:03,121 INFO L134 CoverageAnalysis]: Checked inductivity of 1823 backedges. 523 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:01:03,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:01:03,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142528106] [2023-12-25 14:01:03,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142528106] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:01:03,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:01:03,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:01:03,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670159907] [2023-12-25 14:01:03,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:01:03,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:01:03,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:01:03,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:01:03,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:01:03,124 INFO L87 Difference]: Start difference. First operand 22218 states and 33011 transitions. Second operand has 5 states, 5 states have (on average 333.8) internal successors, (1669), 5 states have internal predecessors, (1669), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:01:04,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:01:04,955 INFO L93 Difference]: Finished difference Result 24399 states and 36417 transitions. [2023-12-25 14:01:04,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:01:04,956 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 333.8) internal successors, (1669), 5 states have internal predecessors, (1669), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1796 [2023-12-25 14:01:04,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:01:04,980 INFO L225 Difference]: With dead ends: 24399 [2023-12-25 14:01:04,980 INFO L226 Difference]: Without dead ends: 22218 [2023-12-25 14:01:04,986 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:01:04,986 INFO L413 NwaCegarLoop]: 2575 mSDtfsCounter, 3848 mSDsluCounter, 2577 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3861 SdHoareTripleChecker+Valid, 5152 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:01:04,986 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3861 Valid, 5152 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:01:04,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22218 states. [2023-12-25 14:01:06,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22218 to 22218. [2023-12-25 14:01:06,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22218 states, 21238 states have (on average 1.4621904134099255) internal successors, (31054), 21238 states have internal predecessors, (31054), 978 states have call successors, (978), 1 states have call predecessors, (978), 1 states have return successors, (978), 978 states have call predecessors, (978), 978 states have call successors, (978) [2023-12-25 14:01:06,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22218 states to 22218 states and 33010 transitions. [2023-12-25 14:01:06,969 INFO L78 Accepts]: Start accepts. Automaton has 22218 states and 33010 transitions. Word has length 1796 [2023-12-25 14:01:06,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:01:06,970 INFO L495 AbstractCegarLoop]: Abstraction has 22218 states and 33010 transitions. [2023-12-25 14:01:06,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 333.8) internal successors, (1669), 5 states have internal predecessors, (1669), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:01:06,970 INFO L276 IsEmpty]: Start isEmpty. Operand 22218 states and 33010 transitions. [2023-12-25 14:01:07,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1798 [2023-12-25 14:01:07,021 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:01:07,021 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:01:07,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2023-12-25 14:01:07,021 INFO L420 AbstractCegarLoop]: === Iteration 111 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:01:07,022 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:01:07,022 INFO L85 PathProgramCache]: Analyzing trace with hash -1522471739, now seen corresponding path program 1 times [2023-12-25 14:01:07,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:01:07,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955687013] [2023-12-25 14:01:07,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:01:07,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:01:08,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:10,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 14:01:10,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:10,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:01:10,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:10,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 14:01:10,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:10,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-25 14:01:10,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:10,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-12-25 14:01:10,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:10,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 14:01:10,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:10,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-12-25 14:01:10,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:10,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 14:01:10,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:10,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-12-25 14:01:10,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:10,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:01:10,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:10,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:01:10,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:10,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:01:10,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:10,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2023-12-25 14:01:10,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:10,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1231 [2023-12-25 14:01:10,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:10,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1246 [2023-12-25 14:01:10,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:10,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1261 [2023-12-25 14:01:10,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:10,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1276 [2023-12-25 14:01:10,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:10,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1295 [2023-12-25 14:01:10,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:10,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1315 [2023-12-25 14:01:10,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:10,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1332 [2023-12-25 14:01:10,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:10,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1349 [2023-12-25 14:01:10,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:10,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1360 [2023-12-25 14:01:10,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:10,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1373 [2023-12-25 14:01:10,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:10,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1386 [2023-12-25 14:01:10,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:10,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1399 [2023-12-25 14:01:10,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:10,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1412 [2023-12-25 14:01:10,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:10,769 INFO L134 CoverageAnalysis]: Checked inductivity of 1823 backedges. 523 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:01:10,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:01:10,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955687013] [2023-12-25 14:01:10,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955687013] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:01:10,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:01:10,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:01:10,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101800593] [2023-12-25 14:01:10,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:01:10,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:01:10,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:01:10,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:01:10,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:01:10,773 INFO L87 Difference]: Start difference. First operand 22218 states and 33010 transitions. Second operand has 5 states, 5 states have (on average 334.0) internal successors, (1670), 5 states have internal predecessors, (1670), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-12-25 14:01:13,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:01:13,179 INFO L93 Difference]: Finished difference Result 24399 states and 36415 transitions. [2023-12-25 14:01:13,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:01:13,180 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 334.0) internal successors, (1670), 5 states have internal predecessors, (1670), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 1797 [2023-12-25 14:01:13,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:01:13,205 INFO L225 Difference]: With dead ends: 24399 [2023-12-25 14:01:13,205 INFO L226 Difference]: Without dead ends: 22218 [2023-12-25 14:01:13,211 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:01:13,211 INFO L413 NwaCegarLoop]: 2071 mSDtfsCounter, 1942 mSDsluCounter, 2089 mSDsCounter, 0 mSdLazyCounter, 1172 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1943 SdHoareTripleChecker+Valid, 4160 SdHoareTripleChecker+Invalid, 1173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 14:01:13,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1943 Valid, 4160 Invalid, 1173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1172 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 14:01:13,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22218 states. [2023-12-25 14:01:14,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22218 to 22218. [2023-12-25 14:01:14,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22218 states, 21238 states have (on average 1.4621433279969864) internal successors, (31053), 21238 states have internal predecessors, (31053), 978 states have call successors, (978), 1 states have call predecessors, (978), 1 states have return successors, (978), 978 states have call predecessors, (978), 978 states have call successors, (978) [2023-12-25 14:01:14,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22218 states to 22218 states and 33009 transitions. [2023-12-25 14:01:14,919 INFO L78 Accepts]: Start accepts. Automaton has 22218 states and 33009 transitions. Word has length 1797 [2023-12-25 14:01:14,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:01:14,920 INFO L495 AbstractCegarLoop]: Abstraction has 22218 states and 33009 transitions. [2023-12-25 14:01:14,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 334.0) internal successors, (1670), 5 states have internal predecessors, (1670), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-12-25 14:01:14,920 INFO L276 IsEmpty]: Start isEmpty. Operand 22218 states and 33009 transitions. [2023-12-25 14:01:14,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1799 [2023-12-25 14:01:14,962 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:01:14,962 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:01:14,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2023-12-25 14:01:14,963 INFO L420 AbstractCegarLoop]: === Iteration 112 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:01:14,963 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:01:14,963 INFO L85 PathProgramCache]: Analyzing trace with hash 2088138031, now seen corresponding path program 1 times [2023-12-25 14:01:14,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:01:14,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918817828] [2023-12-25 14:01:14,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:01:14,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:01:16,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:18,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 14:01:18,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:18,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:01:18,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:18,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 14:01:18,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:18,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-25 14:01:18,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:18,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-12-25 14:01:18,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:18,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 14:01:18,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:18,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-12-25 14:01:18,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:18,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 14:01:18,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:18,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-12-25 14:01:18,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:18,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:01:18,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:18,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:01:18,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:18,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:01:18,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:18,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2023-12-25 14:01:18,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:18,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1232 [2023-12-25 14:01:18,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:18,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1247 [2023-12-25 14:01:18,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:18,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1262 [2023-12-25 14:01:18,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:18,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1277 [2023-12-25 14:01:18,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:18,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1296 [2023-12-25 14:01:18,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:18,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1316 [2023-12-25 14:01:18,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:18,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1333 [2023-12-25 14:01:18,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:18,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1350 [2023-12-25 14:01:18,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:18,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1361 [2023-12-25 14:01:18,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:18,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1374 [2023-12-25 14:01:18,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:18,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1387 [2023-12-25 14:01:18,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:18,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1400 [2023-12-25 14:01:18,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:18,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1413 [2023-12-25 14:01:18,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:18,595 INFO L134 CoverageAnalysis]: Checked inductivity of 1823 backedges. 523 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:01:18,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:01:18,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918817828] [2023-12-25 14:01:18,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918817828] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:01:18,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:01:18,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:01:18,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541493371] [2023-12-25 14:01:18,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:01:18,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:01:18,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:01:18,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:01:18,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:01:18,598 INFO L87 Difference]: Start difference. First operand 22218 states and 33009 transitions. Second operand has 5 states, 5 states have (on average 334.2) internal successors, (1671), 5 states have internal predecessors, (1671), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:01:20,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:01:20,432 INFO L93 Difference]: Finished difference Result 24399 states and 36413 transitions. [2023-12-25 14:01:20,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:01:20,432 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 334.2) internal successors, (1671), 5 states have internal predecessors, (1671), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1798 [2023-12-25 14:01:20,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:01:20,455 INFO L225 Difference]: With dead ends: 24399 [2023-12-25 14:01:20,456 INFO L226 Difference]: Without dead ends: 22218 [2023-12-25 14:01:20,462 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:01:20,463 INFO L413 NwaCegarLoop]: 2535 mSDtfsCounter, 3722 mSDsluCounter, 2537 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3735 SdHoareTripleChecker+Valid, 5072 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:01:20,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3735 Valid, 5072 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:01:20,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22218 states. [2023-12-25 14:01:22,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22218 to 22218. [2023-12-25 14:01:22,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22218 states, 21238 states have (on average 1.4620962425840474) internal successors, (31052), 21238 states have internal predecessors, (31052), 978 states have call successors, (978), 1 states have call predecessors, (978), 1 states have return successors, (978), 978 states have call predecessors, (978), 978 states have call successors, (978) [2023-12-25 14:01:22,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22218 states to 22218 states and 33008 transitions. [2023-12-25 14:01:22,301 INFO L78 Accepts]: Start accepts. Automaton has 22218 states and 33008 transitions. Word has length 1798 [2023-12-25 14:01:22,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:01:22,301 INFO L495 AbstractCegarLoop]: Abstraction has 22218 states and 33008 transitions. [2023-12-25 14:01:22,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 334.2) internal successors, (1671), 5 states have internal predecessors, (1671), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:01:22,302 INFO L276 IsEmpty]: Start isEmpty. Operand 22218 states and 33008 transitions. [2023-12-25 14:01:22,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1800 [2023-12-25 14:01:22,346 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:01:22,347 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:01:22,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2023-12-25 14:01:22,347 INFO L420 AbstractCegarLoop]: === Iteration 113 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:01:22,347 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:01:22,347 INFO L85 PathProgramCache]: Analyzing trace with hash 1913285341, now seen corresponding path program 1 times [2023-12-25 14:01:22,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:01:22,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665285283] [2023-12-25 14:01:22,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:01:22,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:01:23,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:25,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 14:01:25,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:25,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:01:25,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:25,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 14:01:25,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:25,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-25 14:01:25,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:25,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-12-25 14:01:25,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:25,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 14:01:25,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:25,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-12-25 14:01:25,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:25,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 14:01:25,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:25,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-12-25 14:01:25,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:25,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:01:25,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:25,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:01:25,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:25,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:01:25,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:25,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2023-12-25 14:01:25,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:25,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1233 [2023-12-25 14:01:25,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:25,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1248 [2023-12-25 14:01:25,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:25,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1263 [2023-12-25 14:01:25,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:25,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1278 [2023-12-25 14:01:25,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:25,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2023-12-25 14:01:25,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:25,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1317 [2023-12-25 14:01:25,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:25,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1334 [2023-12-25 14:01:25,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:25,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1351 [2023-12-25 14:01:25,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:25,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1362 [2023-12-25 14:01:25,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:25,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1375 [2023-12-25 14:01:25,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:25,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1388 [2023-12-25 14:01:25,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:25,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1401 [2023-12-25 14:01:25,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:25,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1414 [2023-12-25 14:01:25,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:25,908 INFO L134 CoverageAnalysis]: Checked inductivity of 1823 backedges. 523 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:01:25,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:01:25,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665285283] [2023-12-25 14:01:25,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665285283] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:01:25,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:01:25,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:01:25,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669458042] [2023-12-25 14:01:25,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:01:25,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:01:25,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:01:25,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:01:25,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:01:25,912 INFO L87 Difference]: Start difference. First operand 22218 states and 33008 transitions. Second operand has 5 states, 5 states have (on average 334.4) internal successors, (1672), 5 states have internal predecessors, (1672), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:01:27,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:01:27,840 INFO L93 Difference]: Finished difference Result 24399 states and 36411 transitions. [2023-12-25 14:01:27,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:01:27,841 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 334.4) internal successors, (1672), 5 states have internal predecessors, (1672), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1799 [2023-12-25 14:01:27,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:01:27,864 INFO L225 Difference]: With dead ends: 24399 [2023-12-25 14:01:27,864 INFO L226 Difference]: Without dead ends: 22218 [2023-12-25 14:01:27,871 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:01:27,871 INFO L413 NwaCegarLoop]: 2535 mSDtfsCounter, 3706 mSDsluCounter, 2537 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3719 SdHoareTripleChecker+Valid, 5072 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:01:27,871 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3719 Valid, 5072 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:01:27,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22218 states. [2023-12-25 14:01:29,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22218 to 22218. [2023-12-25 14:01:29,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22218 states, 21238 states have (on average 1.4620491571711083) internal successors, (31051), 21238 states have internal predecessors, (31051), 978 states have call successors, (978), 1 states have call predecessors, (978), 1 states have return successors, (978), 978 states have call predecessors, (978), 978 states have call successors, (978) [2023-12-25 14:01:29,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22218 states to 22218 states and 33007 transitions. [2023-12-25 14:01:29,667 INFO L78 Accepts]: Start accepts. Automaton has 22218 states and 33007 transitions. Word has length 1799 [2023-12-25 14:01:29,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:01:29,667 INFO L495 AbstractCegarLoop]: Abstraction has 22218 states and 33007 transitions. [2023-12-25 14:01:29,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 334.4) internal successors, (1672), 5 states have internal predecessors, (1672), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:01:29,667 INFO L276 IsEmpty]: Start isEmpty. Operand 22218 states and 33007 transitions. [2023-12-25 14:01:29,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1801 [2023-12-25 14:01:29,709 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:01:29,710 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:01:29,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2023-12-25 14:01:29,710 INFO L420 AbstractCegarLoop]: === Iteration 114 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:01:29,710 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:01:29,710 INFO L85 PathProgramCache]: Analyzing trace with hash -1407797507, now seen corresponding path program 1 times [2023-12-25 14:01:29,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:01:29,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849802046] [2023-12-25 14:01:29,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:01:29,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:01:31,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:33,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 14:01:33,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:33,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:01:33,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:33,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 14:01:33,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:33,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-25 14:01:33,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:33,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-12-25 14:01:33,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:33,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 14:01:33,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:33,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-12-25 14:01:33,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:33,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 14:01:33,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:33,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-12-25 14:01:33,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:33,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:01:33,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:33,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:01:33,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:33,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:01:33,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:33,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2023-12-25 14:01:33,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:33,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1234 [2023-12-25 14:01:33,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:33,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1249 [2023-12-25 14:01:33,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:33,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1264 [2023-12-25 14:01:33,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:33,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1279 [2023-12-25 14:01:33,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:33,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1298 [2023-12-25 14:01:33,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:33,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1318 [2023-12-25 14:01:33,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:33,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1335 [2023-12-25 14:01:33,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:33,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1352 [2023-12-25 14:01:33,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:33,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1363 [2023-12-25 14:01:33,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:33,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1376 [2023-12-25 14:01:33,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:33,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1389 [2023-12-25 14:01:33,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:33,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1402 [2023-12-25 14:01:33,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:33,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1415 [2023-12-25 14:01:33,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:33,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1823 backedges. 523 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:01:33,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:01:33,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849802046] [2023-12-25 14:01:33,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849802046] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:01:33,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:01:33,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:01:33,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137774428] [2023-12-25 14:01:33,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:01:33,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:01:33,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:01:33,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:01:33,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:01:33,560 INFO L87 Difference]: Start difference. First operand 22218 states and 33007 transitions. Second operand has 5 states, 5 states have (on average 334.6) internal successors, (1673), 5 states have internal predecessors, (1673), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:01:35,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:01:35,399 INFO L93 Difference]: Finished difference Result 24399 states and 36409 transitions. [2023-12-25 14:01:35,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:01:35,400 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 334.6) internal successors, (1673), 5 states have internal predecessors, (1673), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1800 [2023-12-25 14:01:35,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:01:35,420 INFO L225 Difference]: With dead ends: 24399 [2023-12-25 14:01:35,421 INFO L226 Difference]: Without dead ends: 22218 [2023-12-25 14:01:35,425 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:01:35,426 INFO L413 NwaCegarLoop]: 2535 mSDtfsCounter, 2016 mSDsluCounter, 2553 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2029 SdHoareTripleChecker+Valid, 5088 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:01:35,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2029 Valid, 5088 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:01:35,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22218 states. [2023-12-25 14:01:37,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22218 to 22218. [2023-12-25 14:01:37,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22218 states, 21238 states have (on average 1.4620020717581692) internal successors, (31050), 21238 states have internal predecessors, (31050), 978 states have call successors, (978), 1 states have call predecessors, (978), 1 states have return successors, (978), 978 states have call predecessors, (978), 978 states have call successors, (978) [2023-12-25 14:01:37,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22218 states to 22218 states and 33006 transitions. [2023-12-25 14:01:37,238 INFO L78 Accepts]: Start accepts. Automaton has 22218 states and 33006 transitions. Word has length 1800 [2023-12-25 14:01:37,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:01:37,239 INFO L495 AbstractCegarLoop]: Abstraction has 22218 states and 33006 transitions. [2023-12-25 14:01:37,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 334.6) internal successors, (1673), 5 states have internal predecessors, (1673), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:01:37,239 INFO L276 IsEmpty]: Start isEmpty. Operand 22218 states and 33006 transitions. [2023-12-25 14:01:37,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1802 [2023-12-25 14:01:37,282 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:01:37,282 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:01:37,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2023-12-25 14:01:37,282 INFO L420 AbstractCegarLoop]: === Iteration 115 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:01:37,282 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:01:37,283 INFO L85 PathProgramCache]: Analyzing trace with hash -610591381, now seen corresponding path program 1 times [2023-12-25 14:01:37,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:01:37,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128175423] [2023-12-25 14:01:37,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:01:37,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:01:39,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:41,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 14:01:41,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:41,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:01:41,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:41,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 14:01:41,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:41,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-25 14:01:41,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:41,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-12-25 14:01:41,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:41,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 14:01:41,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:41,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-12-25 14:01:41,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:41,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 14:01:41,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:41,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-12-25 14:01:41,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:41,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:01:41,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:41,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:01:41,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:41,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:01:41,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:41,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2023-12-25 14:01:41,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:41,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1235 [2023-12-25 14:01:41,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:41,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1250 [2023-12-25 14:01:41,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:41,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1265 [2023-12-25 14:01:41,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:41,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1280 [2023-12-25 14:01:41,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:41,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1299 [2023-12-25 14:01:41,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:41,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1319 [2023-12-25 14:01:41,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:41,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1336 [2023-12-25 14:01:41,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:41,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1353 [2023-12-25 14:01:41,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:41,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1364 [2023-12-25 14:01:41,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:41,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1377 [2023-12-25 14:01:41,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:41,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1390 [2023-12-25 14:01:41,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:41,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1403 [2023-12-25 14:01:41,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:41,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1416 [2023-12-25 14:01:41,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:41,141 INFO L134 CoverageAnalysis]: Checked inductivity of 1823 backedges. 523 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:01:41,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:01:41,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128175423] [2023-12-25 14:01:41,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128175423] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:01:41,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:01:41,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:01:41,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938473176] [2023-12-25 14:01:41,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:01:41,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:01:41,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:01:41,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:01:41,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:01:41,144 INFO L87 Difference]: Start difference. First operand 22218 states and 33006 transitions. Second operand has 5 states, 5 states have (on average 334.8) internal successors, (1674), 5 states have internal predecessors, (1674), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:01:43,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:01:43,018 INFO L93 Difference]: Finished difference Result 24399 states and 36407 transitions. [2023-12-25 14:01:43,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:01:43,019 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 334.8) internal successors, (1674), 5 states have internal predecessors, (1674), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1801 [2023-12-25 14:01:43,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:01:43,043 INFO L225 Difference]: With dead ends: 24399 [2023-12-25 14:01:43,043 INFO L226 Difference]: Without dead ends: 22218 [2023-12-25 14:01:43,050 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:01:43,050 INFO L413 NwaCegarLoop]: 2535 mSDtfsCounter, 3674 mSDsluCounter, 2537 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3687 SdHoareTripleChecker+Valid, 5072 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:01:43,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3687 Valid, 5072 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:01:43,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22218 states. [2023-12-25 14:01:44,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22218 to 22218. [2023-12-25 14:01:44,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22218 states, 21238 states have (on average 1.4619549863452304) internal successors, (31049), 21238 states have internal predecessors, (31049), 978 states have call successors, (978), 1 states have call predecessors, (978), 1 states have return successors, (978), 978 states have call predecessors, (978), 978 states have call successors, (978) [2023-12-25 14:01:44,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22218 states to 22218 states and 33005 transitions. [2023-12-25 14:01:44,819 INFO L78 Accepts]: Start accepts. Automaton has 22218 states and 33005 transitions. Word has length 1801 [2023-12-25 14:01:44,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:01:44,820 INFO L495 AbstractCegarLoop]: Abstraction has 22218 states and 33005 transitions. [2023-12-25 14:01:44,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 334.8) internal successors, (1674), 5 states have internal predecessors, (1674), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:01:44,820 INFO L276 IsEmpty]: Start isEmpty. Operand 22218 states and 33005 transitions. [2023-12-25 14:01:44,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1803 [2023-12-25 14:01:44,861 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:01:44,862 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:01:44,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2023-12-25 14:01:44,862 INFO L420 AbstractCegarLoop]: === Iteration 116 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:01:44,862 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:01:44,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1188263671, now seen corresponding path program 1 times [2023-12-25 14:01:44,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:01:44,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990143078] [2023-12-25 14:01:44,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:01:44,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:01:46,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:48,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 14:01:48,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:48,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:01:48,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:48,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 14:01:48,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:48,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-25 14:01:48,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:48,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-12-25 14:01:48,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:48,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 14:01:48,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:48,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-12-25 14:01:48,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:48,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 14:01:48,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:48,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-12-25 14:01:48,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:48,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:01:48,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:48,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:01:48,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:48,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:01:48,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:48,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2023-12-25 14:01:48,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:48,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1236 [2023-12-25 14:01:48,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:48,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1251 [2023-12-25 14:01:48,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:48,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1266 [2023-12-25 14:01:48,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:48,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1281 [2023-12-25 14:01:48,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:48,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1300 [2023-12-25 14:01:48,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:48,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1320 [2023-12-25 14:01:48,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:48,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1337 [2023-12-25 14:01:48,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:48,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1354 [2023-12-25 14:01:48,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:48,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1365 [2023-12-25 14:01:48,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:48,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1378 [2023-12-25 14:01:48,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:48,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1391 [2023-12-25 14:01:48,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:48,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1404 [2023-12-25 14:01:48,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:48,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1417 [2023-12-25 14:01:48,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:48,853 INFO L134 CoverageAnalysis]: Checked inductivity of 1823 backedges. 523 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:01:48,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:01:48,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990143078] [2023-12-25 14:01:48,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990143078] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:01:48,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:01:48,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:01:48,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200226795] [2023-12-25 14:01:48,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:01:48,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:01:48,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:01:48,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:01:48,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:01:48,855 INFO L87 Difference]: Start difference. First operand 22218 states and 33005 transitions. Second operand has 5 states, 5 states have (on average 335.0) internal successors, (1675), 5 states have internal predecessors, (1675), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:01:50,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:01:50,549 INFO L93 Difference]: Finished difference Result 24399 states and 36405 transitions. [2023-12-25 14:01:50,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:01:50,550 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 335.0) internal successors, (1675), 5 states have internal predecessors, (1675), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1802 [2023-12-25 14:01:50,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:01:50,579 INFO L225 Difference]: With dead ends: 24399 [2023-12-25 14:01:50,579 INFO L226 Difference]: Without dead ends: 22218 [2023-12-25 14:01:50,590 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:01:50,590 INFO L413 NwaCegarLoop]: 2570 mSDtfsCounter, 1994 mSDsluCounter, 2588 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2007 SdHoareTripleChecker+Valid, 5158 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:01:50,590 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2007 Valid, 5158 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:01:50,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22218 states. [2023-12-25 14:01:52,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22218 to 22218. [2023-12-25 14:01:52,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22218 states, 21238 states have (on average 1.4619079009322913) internal successors, (31048), 21238 states have internal predecessors, (31048), 978 states have call successors, (978), 1 states have call predecessors, (978), 1 states have return successors, (978), 978 states have call predecessors, (978), 978 states have call successors, (978) [2023-12-25 14:01:52,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22218 states to 22218 states and 33004 transitions. [2023-12-25 14:01:52,452 INFO L78 Accepts]: Start accepts. Automaton has 22218 states and 33004 transitions. Word has length 1802 [2023-12-25 14:01:52,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:01:52,453 INFO L495 AbstractCegarLoop]: Abstraction has 22218 states and 33004 transitions. [2023-12-25 14:01:52,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 335.0) internal successors, (1675), 5 states have internal predecessors, (1675), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:01:52,453 INFO L276 IsEmpty]: Start isEmpty. Operand 22218 states and 33004 transitions. [2023-12-25 14:01:52,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1804 [2023-12-25 14:01:52,495 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:01:52,495 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:01:52,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2023-12-25 14:01:52,495 INFO L420 AbstractCegarLoop]: === Iteration 117 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:01:52,495 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:01:52,496 INFO L85 PathProgramCache]: Analyzing trace with hash -1097444997, now seen corresponding path program 1 times [2023-12-25 14:01:52,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:01:52,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005074289] [2023-12-25 14:01:52,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:01:52,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:01:53,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:55,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 14:01:55,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:55,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:01:55,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:55,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 14:01:55,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:55,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-25 14:01:55,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:55,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-12-25 14:01:55,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:55,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 14:01:55,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:55,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-12-25 14:01:55,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:55,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 14:01:55,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:55,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-12-25 14:01:55,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:55,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:01:55,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:55,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:01:55,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:55,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:01:55,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:55,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2023-12-25 14:01:55,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:55,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1237 [2023-12-25 14:01:55,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:55,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1252 [2023-12-25 14:01:55,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:55,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1267 [2023-12-25 14:01:55,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:55,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1282 [2023-12-25 14:01:55,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:55,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1301 [2023-12-25 14:01:55,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:55,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1321 [2023-12-25 14:01:55,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:55,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1338 [2023-12-25 14:01:55,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:55,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1355 [2023-12-25 14:01:55,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:55,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1366 [2023-12-25 14:01:55,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:55,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1379 [2023-12-25 14:01:55,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:55,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1392 [2023-12-25 14:01:55,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:55,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1405 [2023-12-25 14:01:55,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:55,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1418 [2023-12-25 14:01:55,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:01:55,836 INFO L134 CoverageAnalysis]: Checked inductivity of 1823 backedges. 523 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:01:55,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:01:55,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005074289] [2023-12-25 14:01:55,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005074289] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:01:55,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:01:55,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:01:55,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237851521] [2023-12-25 14:01:55,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:01:55,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:01:55,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:01:55,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:01:55,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:01:55,839 INFO L87 Difference]: Start difference. First operand 22218 states and 33004 transitions. Second operand has 5 states, 5 states have (on average 335.2) internal successors, (1676), 5 states have internal predecessors, (1676), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:01:57,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:01:57,646 INFO L93 Difference]: Finished difference Result 24399 states and 36403 transitions. [2023-12-25 14:01:57,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:01:57,647 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 335.2) internal successors, (1676), 5 states have internal predecessors, (1676), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1803 [2023-12-25 14:01:57,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:01:57,669 INFO L225 Difference]: With dead ends: 24399 [2023-12-25 14:01:57,669 INFO L226 Difference]: Without dead ends: 22218 [2023-12-25 14:01:57,674 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:01:57,674 INFO L413 NwaCegarLoop]: 2570 mSDtfsCounter, 3636 mSDsluCounter, 2572 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3649 SdHoareTripleChecker+Valid, 5142 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:01:57,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3649 Valid, 5142 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:01:57,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22218 states. [2023-12-25 14:01:59,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22218 to 22218. [2023-12-25 14:01:59,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22218 states, 21238 states have (on average 1.4618608155193522) internal successors, (31047), 21238 states have internal predecessors, (31047), 978 states have call successors, (978), 1 states have call predecessors, (978), 1 states have return successors, (978), 978 states have call predecessors, (978), 978 states have call successors, (978) [2023-12-25 14:01:59,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22218 states to 22218 states and 33003 transitions. [2023-12-25 14:01:59,364 INFO L78 Accepts]: Start accepts. Automaton has 22218 states and 33003 transitions. Word has length 1803 [2023-12-25 14:01:59,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:01:59,365 INFO L495 AbstractCegarLoop]: Abstraction has 22218 states and 33003 transitions. [2023-12-25 14:01:59,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 335.2) internal successors, (1676), 5 states have internal predecessors, (1676), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:01:59,365 INFO L276 IsEmpty]: Start isEmpty. Operand 22218 states and 33003 transitions. [2023-12-25 14:01:59,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1805 [2023-12-25 14:01:59,406 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:01:59,406 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:01:59,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2023-12-25 14:01:59,406 INFO L420 AbstractCegarLoop]: === Iteration 118 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:01:59,407 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:01:59,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1677398697, now seen corresponding path program 1 times [2023-12-25 14:01:59,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:01:59,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838162435] [2023-12-25 14:01:59,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:01:59,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:02:00,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:03,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 14:02:03,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:03,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:02:03,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:03,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 14:02:03,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:03,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-25 14:02:03,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:03,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-12-25 14:02:03,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:03,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 14:02:03,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:03,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-12-25 14:02:03,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:03,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 14:02:03,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:03,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-12-25 14:02:03,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:03,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:02:03,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:03,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:02:03,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:03,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:02:03,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:03,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2023-12-25 14:02:03,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:03,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1238 [2023-12-25 14:02:03,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:03,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1253 [2023-12-25 14:02:03,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:03,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1268 [2023-12-25 14:02:03,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:03,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1283 [2023-12-25 14:02:03,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:03,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1302 [2023-12-25 14:02:03,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:03,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1322 [2023-12-25 14:02:03,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:03,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1339 [2023-12-25 14:02:03,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:03,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1356 [2023-12-25 14:02:03,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:03,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1367 [2023-12-25 14:02:03,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:03,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1380 [2023-12-25 14:02:03,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:03,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1393 [2023-12-25 14:02:03,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:03,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1406 [2023-12-25 14:02:03,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:03,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1419 [2023-12-25 14:02:03,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:03,246 INFO L134 CoverageAnalysis]: Checked inductivity of 1823 backedges. 523 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:02:03,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:02:03,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838162435] [2023-12-25 14:02:03,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838162435] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:02:03,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:02:03,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:02:03,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929032634] [2023-12-25 14:02:03,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:02:03,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:02:03,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:02:03,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:02:03,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:02:03,250 INFO L87 Difference]: Start difference. First operand 22218 states and 33003 transitions. Second operand has 5 states, 5 states have (on average 335.4) internal successors, (1677), 5 states have internal predecessors, (1677), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-12-25 14:02:05,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:02:05,630 INFO L93 Difference]: Finished difference Result 24399 states and 36401 transitions. [2023-12-25 14:02:05,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:02:05,631 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 335.4) internal successors, (1677), 5 states have internal predecessors, (1677), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 1804 [2023-12-25 14:02:05,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:02:05,653 INFO L225 Difference]: With dead ends: 24399 [2023-12-25 14:02:05,654 INFO L226 Difference]: Without dead ends: 22218 [2023-12-25 14:02:05,660 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:02:05,660 INFO L413 NwaCegarLoop]: 2065 mSDtfsCounter, 1836 mSDsluCounter, 2083 mSDsCounter, 0 mSdLazyCounter, 1170 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1837 SdHoareTripleChecker+Valid, 4148 SdHoareTripleChecker+Invalid, 1171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 14:02:05,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1837 Valid, 4148 Invalid, 1171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1170 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 14:02:05,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22218 states. [2023-12-25 14:02:07,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22218 to 22218. [2023-12-25 14:02:07,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22218 states, 21238 states have (on average 1.4618137301064131) internal successors, (31046), 21238 states have internal predecessors, (31046), 978 states have call successors, (978), 1 states have call predecessors, (978), 1 states have return successors, (978), 978 states have call predecessors, (978), 978 states have call successors, (978) [2023-12-25 14:02:07,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22218 states to 22218 states and 33002 transitions. [2023-12-25 14:02:07,426 INFO L78 Accepts]: Start accepts. Automaton has 22218 states and 33002 transitions. Word has length 1804 [2023-12-25 14:02:07,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:02:07,427 INFO L495 AbstractCegarLoop]: Abstraction has 22218 states and 33002 transitions. [2023-12-25 14:02:07,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 335.4) internal successors, (1677), 5 states have internal predecessors, (1677), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-12-25 14:02:07,427 INFO L276 IsEmpty]: Start isEmpty. Operand 22218 states and 33002 transitions. [2023-12-25 14:02:07,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1806 [2023-12-25 14:02:07,467 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:02:07,468 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:02:07,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2023-12-25 14:02:07,468 INFO L420 AbstractCegarLoop]: === Iteration 119 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:02:07,468 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:02:07,468 INFO L85 PathProgramCache]: Analyzing trace with hash -913422967, now seen corresponding path program 1 times [2023-12-25 14:02:07,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:02:07,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998847588] [2023-12-25 14:02:07,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:02:07,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:02:08,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:11,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 14:02:11,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:11,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:02:11,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:11,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 14:02:11,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:11,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-25 14:02:11,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:11,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-12-25 14:02:11,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:11,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 14:02:11,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:11,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-12-25 14:02:11,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:11,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 14:02:11,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:11,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-12-25 14:02:11,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:11,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:02:11,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:11,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:02:11,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:11,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:02:11,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:11,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2023-12-25 14:02:11,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:11,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1239 [2023-12-25 14:02:11,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:11,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1254 [2023-12-25 14:02:11,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:11,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1269 [2023-12-25 14:02:11,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:11,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1284 [2023-12-25 14:02:11,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:11,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1303 [2023-12-25 14:02:11,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:11,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1323 [2023-12-25 14:02:11,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:11,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1340 [2023-12-25 14:02:11,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:11,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1357 [2023-12-25 14:02:11,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:11,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1368 [2023-12-25 14:02:11,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:11,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1381 [2023-12-25 14:02:11,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:11,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1394 [2023-12-25 14:02:11,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:11,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1407 [2023-12-25 14:02:11,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:11,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1420 [2023-12-25 14:02:11,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:11,084 INFO L134 CoverageAnalysis]: Checked inductivity of 1823 backedges. 523 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:02:11,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:02:11,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998847588] [2023-12-25 14:02:11,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998847588] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:02:11,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:02:11,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:02:11,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223294826] [2023-12-25 14:02:11,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:02:11,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:02:11,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:02:11,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:02:11,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:02:11,088 INFO L87 Difference]: Start difference. First operand 22218 states and 33002 transitions. Second operand has 5 states, 5 states have (on average 335.6) internal successors, (1678), 5 states have internal predecessors, (1678), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:02:12,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:02:12,837 INFO L93 Difference]: Finished difference Result 24399 states and 36399 transitions. [2023-12-25 14:02:12,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:02:12,838 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 335.6) internal successors, (1678), 5 states have internal predecessors, (1678), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1805 [2023-12-25 14:02:12,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:02:12,865 INFO L225 Difference]: With dead ends: 24399 [2023-12-25 14:02:12,865 INFO L226 Difference]: Without dead ends: 22218 [2023-12-25 14:02:12,873 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:02:12,873 INFO L413 NwaCegarLoop]: 2532 mSDtfsCounter, 1926 mSDsluCounter, 2550 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1939 SdHoareTripleChecker+Valid, 5082 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:02:12,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1939 Valid, 5082 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:02:12,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22218 states. [2023-12-25 14:02:14,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22218 to 22218. [2023-12-25 14:02:14,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22218 states, 21238 states have (on average 1.461766644693474) internal successors, (31045), 21238 states have internal predecessors, (31045), 978 states have call successors, (978), 1 states have call predecessors, (978), 1 states have return successors, (978), 978 states have call predecessors, (978), 978 states have call successors, (978) [2023-12-25 14:02:14,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22218 states to 22218 states and 33001 transitions. [2023-12-25 14:02:14,698 INFO L78 Accepts]: Start accepts. Automaton has 22218 states and 33001 transitions. Word has length 1805 [2023-12-25 14:02:14,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:02:14,699 INFO L495 AbstractCegarLoop]: Abstraction has 22218 states and 33001 transitions. [2023-12-25 14:02:14,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 335.6) internal successors, (1678), 5 states have internal predecessors, (1678), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:02:14,699 INFO L276 IsEmpty]: Start isEmpty. Operand 22218 states and 33001 transitions. [2023-12-25 14:02:14,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1807 [2023-12-25 14:02:14,740 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:02:14,740 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:02:14,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2023-12-25 14:02:14,741 INFO L420 AbstractCegarLoop]: === Iteration 120 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:02:14,741 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:02:14,741 INFO L85 PathProgramCache]: Analyzing trace with hash 1250973807, now seen corresponding path program 1 times [2023-12-25 14:02:14,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:02:14,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666695860] [2023-12-25 14:02:14,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:02:14,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:02:16,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:18,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 14:02:18,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:18,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:02:18,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:18,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 14:02:18,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:18,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-25 14:02:18,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:18,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-12-25 14:02:18,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:18,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 14:02:18,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:18,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-12-25 14:02:18,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:18,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 14:02:18,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:18,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-12-25 14:02:18,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:18,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:02:18,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:18,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:02:18,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:18,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:02:18,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:18,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2023-12-25 14:02:18,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:18,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1240 [2023-12-25 14:02:18,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:18,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1255 [2023-12-25 14:02:18,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:18,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1270 [2023-12-25 14:02:18,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:18,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1285 [2023-12-25 14:02:18,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:18,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1304 [2023-12-25 14:02:18,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:18,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1324 [2023-12-25 14:02:18,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:18,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1341 [2023-12-25 14:02:18,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:18,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1358 [2023-12-25 14:02:18,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:18,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1369 [2023-12-25 14:02:18,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:18,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1382 [2023-12-25 14:02:18,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:18,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1395 [2023-12-25 14:02:18,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:18,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1408 [2023-12-25 14:02:18,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:18,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1421 [2023-12-25 14:02:18,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:18,124 INFO L134 CoverageAnalysis]: Checked inductivity of 1823 backedges. 523 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:02:18,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:02:18,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666695860] [2023-12-25 14:02:18,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666695860] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:02:18,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:02:18,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:02:18,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050799230] [2023-12-25 14:02:18,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:02:18,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:02:18,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:02:18,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:02:18,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:02:18,127 INFO L87 Difference]: Start difference. First operand 22218 states and 33001 transitions. Second operand has 5 states, 5 states have (on average 335.8) internal successors, (1679), 5 states have internal predecessors, (1679), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:02:19,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:02:19,937 INFO L93 Difference]: Finished difference Result 24399 states and 36397 transitions. [2023-12-25 14:02:19,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:02:19,938 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 335.8) internal successors, (1679), 5 states have internal predecessors, (1679), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1806 [2023-12-25 14:02:19,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:02:19,956 INFO L225 Difference]: With dead ends: 24399 [2023-12-25 14:02:19,956 INFO L226 Difference]: Without dead ends: 22218 [2023-12-25 14:02:19,959 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:02:19,960 INFO L413 NwaCegarLoop]: 2532 mSDtfsCounter, 1918 mSDsluCounter, 2550 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1931 SdHoareTripleChecker+Valid, 5082 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:02:19,960 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1931 Valid, 5082 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:02:19,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22218 states. [2023-12-25 14:02:21,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22218 to 22218. [2023-12-25 14:02:21,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22218 states, 21238 states have (on average 1.461719559280535) internal successors, (31044), 21238 states have internal predecessors, (31044), 978 states have call successors, (978), 1 states have call predecessors, (978), 1 states have return successors, (978), 978 states have call predecessors, (978), 978 states have call successors, (978) [2023-12-25 14:02:21,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22218 states to 22218 states and 33000 transitions. [2023-12-25 14:02:21,704 INFO L78 Accepts]: Start accepts. Automaton has 22218 states and 33000 transitions. Word has length 1806 [2023-12-25 14:02:21,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:02:21,704 INFO L495 AbstractCegarLoop]: Abstraction has 22218 states and 33000 transitions. [2023-12-25 14:02:21,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 335.8) internal successors, (1679), 5 states have internal predecessors, (1679), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:02:21,705 INFO L276 IsEmpty]: Start isEmpty. Operand 22218 states and 33000 transitions. [2023-12-25 14:02:21,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1808 [2023-12-25 14:02:21,745 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:02:21,746 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:02:21,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2023-12-25 14:02:21,746 INFO L420 AbstractCegarLoop]: === Iteration 121 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:02:21,746 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:02:21,746 INFO L85 PathProgramCache]: Analyzing trace with hash 179052181, now seen corresponding path program 1 times [2023-12-25 14:02:21,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:02:21,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855712019] [2023-12-25 14:02:21,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:02:21,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:02:22,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:24,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 14:02:24,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:24,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:02:24,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:24,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 14:02:24,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:24,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-25 14:02:24,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:24,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-12-25 14:02:24,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:24,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 14:02:24,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:24,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-12-25 14:02:24,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:24,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 14:02:24,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:24,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-12-25 14:02:24,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:24,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:02:24,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:24,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:02:24,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:24,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:02:24,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:24,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2023-12-25 14:02:24,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:24,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1241 [2023-12-25 14:02:24,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:24,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1256 [2023-12-25 14:02:24,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:24,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1271 [2023-12-25 14:02:24,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:24,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1286 [2023-12-25 14:02:24,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:24,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1305 [2023-12-25 14:02:24,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:24,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1325 [2023-12-25 14:02:24,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:24,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1342 [2023-12-25 14:02:24,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:24,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1359 [2023-12-25 14:02:24,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:24,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1370 [2023-12-25 14:02:24,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:24,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1383 [2023-12-25 14:02:24,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:24,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1396 [2023-12-25 14:02:24,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:24,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1409 [2023-12-25 14:02:24,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:24,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1422 [2023-12-25 14:02:24,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:24,902 INFO L134 CoverageAnalysis]: Checked inductivity of 1823 backedges. 523 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:02:24,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:02:24,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855712019] [2023-12-25 14:02:24,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855712019] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:02:24,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:02:24,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:02:24,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612566948] [2023-12-25 14:02:24,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:02:24,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:02:24,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:02:24,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:02:24,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:02:24,905 INFO L87 Difference]: Start difference. First operand 22218 states and 33000 transitions. Second operand has 5 states, 5 states have (on average 336.0) internal successors, (1680), 5 states have internal predecessors, (1680), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:02:26,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:02:26,732 INFO L93 Difference]: Finished difference Result 24399 states and 36395 transitions. [2023-12-25 14:02:26,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:02:26,733 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 336.0) internal successors, (1680), 5 states have internal predecessors, (1680), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1807 [2023-12-25 14:02:26,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:02:26,754 INFO L225 Difference]: With dead ends: 24399 [2023-12-25 14:02:26,754 INFO L226 Difference]: Without dead ends: 22218 [2023-12-25 14:02:26,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:02:26,761 INFO L413 NwaCegarLoop]: 2532 mSDtfsCounter, 3478 mSDsluCounter, 2534 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3491 SdHoareTripleChecker+Valid, 5066 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:02:26,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3491 Valid, 5066 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:02:26,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22218 states. [2023-12-25 14:02:28,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22218 to 22218. [2023-12-25 14:02:28,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22218 states, 21238 states have (on average 1.461672473867596) internal successors, (31043), 21238 states have internal predecessors, (31043), 978 states have call successors, (978), 1 states have call predecessors, (978), 1 states have return successors, (978), 978 states have call predecessors, (978), 978 states have call successors, (978) [2023-12-25 14:02:28,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22218 states to 22218 states and 32999 transitions. [2023-12-25 14:02:28,526 INFO L78 Accepts]: Start accepts. Automaton has 22218 states and 32999 transitions. Word has length 1807 [2023-12-25 14:02:28,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:02:28,527 INFO L495 AbstractCegarLoop]: Abstraction has 22218 states and 32999 transitions. [2023-12-25 14:02:28,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 336.0) internal successors, (1680), 5 states have internal predecessors, (1680), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:02:28,528 INFO L276 IsEmpty]: Start isEmpty. Operand 22218 states and 32999 transitions. [2023-12-25 14:02:28,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1809 [2023-12-25 14:02:28,576 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:02:28,576 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:02:28,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2023-12-25 14:02:28,577 INFO L420 AbstractCegarLoop]: === Iteration 122 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:02:28,577 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:02:28,577 INFO L85 PathProgramCache]: Analyzing trace with hash -1045693057, now seen corresponding path program 1 times [2023-12-25 14:02:28,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:02:28,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614304570] [2023-12-25 14:02:28,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:02:28,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:02:29,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:32,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 14:02:32,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:32,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:02:32,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:32,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 14:02:32,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:32,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-25 14:02:32,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:32,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-12-25 14:02:32,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:32,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 14:02:32,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:32,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-12-25 14:02:32,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:32,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 14:02:32,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:32,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-12-25 14:02:32,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:32,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:02:32,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:32,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:02:32,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:32,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:02:32,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:32,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2023-12-25 14:02:32,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:32,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1242 [2023-12-25 14:02:32,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:32,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1257 [2023-12-25 14:02:32,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:32,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1272 [2023-12-25 14:02:32,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:32,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1287 [2023-12-25 14:02:32,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:32,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1306 [2023-12-25 14:02:32,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:32,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1326 [2023-12-25 14:02:32,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:32,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1343 [2023-12-25 14:02:32,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:32,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1360 [2023-12-25 14:02:32,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:32,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1371 [2023-12-25 14:02:32,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:32,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1384 [2023-12-25 14:02:32,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:32,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1397 [2023-12-25 14:02:32,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:32,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2023-12-25 14:02:32,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:32,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1423 [2023-12-25 14:02:32,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:32,151 INFO L134 CoverageAnalysis]: Checked inductivity of 1823 backedges. 523 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:02:32,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:02:32,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614304570] [2023-12-25 14:02:32,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614304570] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:02:32,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:02:32,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:02:32,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770597353] [2023-12-25 14:02:32,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:02:32,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:02:32,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:02:32,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:02:32,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:02:32,153 INFO L87 Difference]: Start difference. First operand 22218 states and 32999 transitions. Second operand has 5 states, 5 states have (on average 336.2) internal successors, (1681), 5 states have internal predecessors, (1681), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:02:33,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:02:33,874 INFO L93 Difference]: Finished difference Result 24399 states and 36393 transitions. [2023-12-25 14:02:33,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:02:33,875 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 336.2) internal successors, (1681), 5 states have internal predecessors, (1681), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1808 [2023-12-25 14:02:33,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:02:33,897 INFO L225 Difference]: With dead ends: 24399 [2023-12-25 14:02:33,898 INFO L226 Difference]: Without dead ends: 22218 [2023-12-25 14:02:33,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:02:33,905 INFO L413 NwaCegarLoop]: 2532 mSDtfsCounter, 1902 mSDsluCounter, 2550 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1915 SdHoareTripleChecker+Valid, 5082 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:02:33,905 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1915 Valid, 5082 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:02:33,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22218 states. [2023-12-25 14:02:35,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22218 to 22218. [2023-12-25 14:02:35,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22218 states, 21238 states have (on average 1.4616253884546568) internal successors, (31042), 21238 states have internal predecessors, (31042), 978 states have call successors, (978), 1 states have call predecessors, (978), 1 states have return successors, (978), 978 states have call predecessors, (978), 978 states have call successors, (978) [2023-12-25 14:02:35,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22218 states to 22218 states and 32998 transitions. [2023-12-25 14:02:35,690 INFO L78 Accepts]: Start accepts. Automaton has 22218 states and 32998 transitions. Word has length 1808 [2023-12-25 14:02:35,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:02:35,691 INFO L495 AbstractCegarLoop]: Abstraction has 22218 states and 32998 transitions. [2023-12-25 14:02:35,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 336.2) internal successors, (1681), 5 states have internal predecessors, (1681), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:02:35,691 INFO L276 IsEmpty]: Start isEmpty. Operand 22218 states and 32998 transitions. [2023-12-25 14:02:35,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1810 [2023-12-25 14:02:35,732 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:02:35,733 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:02:35,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2023-12-25 14:02:35,733 INFO L420 AbstractCegarLoop]: === Iteration 123 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:02:35,733 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:02:35,733 INFO L85 PathProgramCache]: Analyzing trace with hash -1321689629, now seen corresponding path program 1 times [2023-12-25 14:02:35,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:02:35,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719637668] [2023-12-25 14:02:35,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:02:35,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:02:37,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:39,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 14:02:39,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:39,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:02:39,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:39,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 14:02:39,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:39,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-25 14:02:39,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:39,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-12-25 14:02:39,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:39,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 14:02:39,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:39,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-12-25 14:02:39,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:39,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 14:02:39,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:39,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-12-25 14:02:39,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:39,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:02:39,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:39,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:02:39,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:39,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:02:39,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:39,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2023-12-25 14:02:39,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:39,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1243 [2023-12-25 14:02:39,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:39,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1258 [2023-12-25 14:02:39,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:39,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1273 [2023-12-25 14:02:39,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:39,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1288 [2023-12-25 14:02:39,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:39,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1307 [2023-12-25 14:02:39,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:39,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1327 [2023-12-25 14:02:39,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:39,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1344 [2023-12-25 14:02:39,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:39,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1361 [2023-12-25 14:02:39,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:39,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1372 [2023-12-25 14:02:39,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:39,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1385 [2023-12-25 14:02:39,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:39,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1398 [2023-12-25 14:02:39,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:39,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1411 [2023-12-25 14:02:39,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:39,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1424 [2023-12-25 14:02:39,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:39,489 INFO L134 CoverageAnalysis]: Checked inductivity of 1823 backedges. 523 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:02:39,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:02:39,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719637668] [2023-12-25 14:02:39,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719637668] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:02:39,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:02:39,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:02:39,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200011050] [2023-12-25 14:02:39,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:02:39,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:02:39,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:02:39,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:02:39,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:02:39,491 INFO L87 Difference]: Start difference. First operand 22218 states and 32998 transitions. Second operand has 5 states, 5 states have (on average 336.4) internal successors, (1682), 5 states have internal predecessors, (1682), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:02:41,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:02:41,272 INFO L93 Difference]: Finished difference Result 24399 states and 36391 transitions. [2023-12-25 14:02:41,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:02:41,273 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 336.4) internal successors, (1682), 5 states have internal predecessors, (1682), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1809 [2023-12-25 14:02:41,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:02:41,294 INFO L225 Difference]: With dead ends: 24399 [2023-12-25 14:02:41,294 INFO L226 Difference]: Without dead ends: 22218 [2023-12-25 14:02:41,300 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:02:41,300 INFO L413 NwaCegarLoop]: 2565 mSDtfsCounter, 3440 mSDsluCounter, 2567 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3453 SdHoareTripleChecker+Valid, 5132 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:02:41,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3453 Valid, 5132 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:02:41,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22218 states. [2023-12-25 14:02:43,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22218 to 22218. [2023-12-25 14:02:43,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22218 states, 21238 states have (on average 1.4615783030417178) internal successors, (31041), 21238 states have internal predecessors, (31041), 978 states have call successors, (978), 1 states have call predecessors, (978), 1 states have return successors, (978), 978 states have call predecessors, (978), 978 states have call successors, (978) [2023-12-25 14:02:43,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22218 states to 22218 states and 32997 transitions. [2023-12-25 14:02:43,063 INFO L78 Accepts]: Start accepts. Automaton has 22218 states and 32997 transitions. Word has length 1809 [2023-12-25 14:02:43,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:02:43,063 INFO L495 AbstractCegarLoop]: Abstraction has 22218 states and 32997 transitions. [2023-12-25 14:02:43,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 336.4) internal successors, (1682), 5 states have internal predecessors, (1682), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:02:43,064 INFO L276 IsEmpty]: Start isEmpty. Operand 22218 states and 32997 transitions. [2023-12-25 14:02:43,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1811 [2023-12-25 14:02:43,104 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:02:43,104 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:02:43,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2023-12-25 14:02:43,105 INFO L420 AbstractCegarLoop]: === Iteration 124 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:02:43,105 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:02:43,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1396625037, now seen corresponding path program 1 times [2023-12-25 14:02:43,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:02:43,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925541370] [2023-12-25 14:02:43,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:02:43,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:02:44,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:46,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 14:02:46,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:46,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:02:46,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:46,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 14:02:46,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:46,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-25 14:02:46,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:46,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-12-25 14:02:46,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:46,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 14:02:46,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:46,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-12-25 14:02:46,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:46,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 14:02:46,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:46,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-12-25 14:02:46,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:46,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:02:46,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:46,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:02:46,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:46,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:02:46,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:46,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2023-12-25 14:02:46,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:46,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1244 [2023-12-25 14:02:46,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:46,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1259 [2023-12-25 14:02:46,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:46,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1274 [2023-12-25 14:02:46,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:46,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1289 [2023-12-25 14:02:46,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:46,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1308 [2023-12-25 14:02:46,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:46,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1328 [2023-12-25 14:02:46,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:46,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1345 [2023-12-25 14:02:46,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:46,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1362 [2023-12-25 14:02:46,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:46,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1373 [2023-12-25 14:02:46,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:46,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1386 [2023-12-25 14:02:46,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:46,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1399 [2023-12-25 14:02:46,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:46,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1412 [2023-12-25 14:02:46,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:46,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1425 [2023-12-25 14:02:46,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:46,623 INFO L134 CoverageAnalysis]: Checked inductivity of 1823 backedges. 523 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:02:46,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:02:46,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925541370] [2023-12-25 14:02:46,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925541370] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:02:46,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:02:46,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:02:46,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131973274] [2023-12-25 14:02:46,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:02:46,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:02:46,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:02:46,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:02:46,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:02:46,625 INFO L87 Difference]: Start difference. First operand 22218 states and 32997 transitions. Second operand has 5 states, 5 states have (on average 336.6) internal successors, (1683), 5 states have internal predecessors, (1683), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:02:48,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:02:48,391 INFO L93 Difference]: Finished difference Result 24399 states and 36389 transitions. [2023-12-25 14:02:48,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:02:48,392 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 336.6) internal successors, (1683), 5 states have internal predecessors, (1683), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1810 [2023-12-25 14:02:48,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:02:48,413 INFO L225 Difference]: With dead ends: 24399 [2023-12-25 14:02:48,414 INFO L226 Difference]: Without dead ends: 22218 [2023-12-25 14:02:48,418 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:02:48,419 INFO L413 NwaCegarLoop]: 2565 mSDtfsCounter, 3424 mSDsluCounter, 2567 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3437 SdHoareTripleChecker+Valid, 5132 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:02:48,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3437 Valid, 5132 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:02:48,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22218 states. [2023-12-25 14:02:50,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22218 to 22218. [2023-12-25 14:02:50,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22218 states, 21238 states have (on average 1.4615312176287787) internal successors, (31040), 21238 states have internal predecessors, (31040), 978 states have call successors, (978), 1 states have call predecessors, (978), 1 states have return successors, (978), 978 states have call predecessors, (978), 978 states have call successors, (978) [2023-12-25 14:02:50,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22218 states to 22218 states and 32996 transitions. [2023-12-25 14:02:50,136 INFO L78 Accepts]: Start accepts. Automaton has 22218 states and 32996 transitions. Word has length 1810 [2023-12-25 14:02:50,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:02:50,137 INFO L495 AbstractCegarLoop]: Abstraction has 22218 states and 32996 transitions. [2023-12-25 14:02:50,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 336.6) internal successors, (1683), 5 states have internal predecessors, (1683), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:02:50,137 INFO L276 IsEmpty]: Start isEmpty. Operand 22218 states and 32996 transitions. [2023-12-25 14:02:50,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1812 [2023-12-25 14:02:50,177 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:02:50,177 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:02:50,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2023-12-25 14:02:50,177 INFO L420 AbstractCegarLoop]: === Iteration 125 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:02:50,178 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:02:50,178 INFO L85 PathProgramCache]: Analyzing trace with hash -1872538769, now seen corresponding path program 1 times [2023-12-25 14:02:50,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:02:50,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155006472] [2023-12-25 14:02:50,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:02:50,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:02:51,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:54,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 14:02:54,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:54,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:02:54,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:54,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 14:02:54,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:54,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-25 14:02:54,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:54,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-12-25 14:02:54,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:54,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 14:02:54,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:54,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-12-25 14:02:54,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:54,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 14:02:54,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:54,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-12-25 14:02:54,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:54,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:02:54,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:54,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:02:54,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:54,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:02:54,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:54,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2023-12-25 14:02:54,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:54,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1245 [2023-12-25 14:02:54,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:54,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1260 [2023-12-25 14:02:54,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:54,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1275 [2023-12-25 14:02:54,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:54,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1290 [2023-12-25 14:02:54,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:54,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1309 [2023-12-25 14:02:54,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:54,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1329 [2023-12-25 14:02:54,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:54,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1346 [2023-12-25 14:02:54,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:54,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1363 [2023-12-25 14:02:54,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:54,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1374 [2023-12-25 14:02:54,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:54,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1387 [2023-12-25 14:02:54,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:54,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1400 [2023-12-25 14:02:54,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:54,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1413 [2023-12-25 14:02:54,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:54,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1426 [2023-12-25 14:02:54,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:02:54,032 INFO L134 CoverageAnalysis]: Checked inductivity of 1823 backedges. 523 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:02:54,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:02:54,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155006472] [2023-12-25 14:02:54,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155006472] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:02:54,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:02:54,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:02:54,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653130497] [2023-12-25 14:02:54,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:02:54,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:02:54,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:02:54,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:02:54,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:02:54,036 INFO L87 Difference]: Start difference. First operand 22218 states and 32996 transitions. Second operand has 5 states, 5 states have (on average 336.8) internal successors, (1684), 5 states have internal predecessors, (1684), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-12-25 14:02:56,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:02:56,421 INFO L93 Difference]: Finished difference Result 24399 states and 36387 transitions. [2023-12-25 14:02:56,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:02:56,422 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 336.8) internal successors, (1684), 5 states have internal predecessors, (1684), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 1811 [2023-12-25 14:02:56,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:02:56,442 INFO L225 Difference]: With dead ends: 24399 [2023-12-25 14:02:56,442 INFO L226 Difference]: Without dead ends: 22218 [2023-12-25 14:02:56,445 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:02:56,446 INFO L413 NwaCegarLoop]: 2059 mSDtfsCounter, 1730 mSDsluCounter, 2077 mSDsCounter, 0 mSdLazyCounter, 1168 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1731 SdHoareTripleChecker+Valid, 4136 SdHoareTripleChecker+Invalid, 1169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-25 14:02:56,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1731 Valid, 4136 Invalid, 1169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1168 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-25 14:02:56,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22218 states. [2023-12-25 14:02:58,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22218 to 22218. [2023-12-25 14:02:58,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22218 states, 21238 states have (on average 1.4614841322158396) internal successors, (31039), 21238 states have internal predecessors, (31039), 978 states have call successors, (978), 1 states have call predecessors, (978), 1 states have return successors, (978), 978 states have call predecessors, (978), 978 states have call successors, (978) [2023-12-25 14:02:58,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22218 states to 22218 states and 32995 transitions. [2023-12-25 14:02:58,126 INFO L78 Accepts]: Start accepts. Automaton has 22218 states and 32995 transitions. Word has length 1811 [2023-12-25 14:02:58,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:02:58,127 INFO L495 AbstractCegarLoop]: Abstraction has 22218 states and 32995 transitions. [2023-12-25 14:02:58,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 336.8) internal successors, (1684), 5 states have internal predecessors, (1684), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-12-25 14:02:58,127 INFO L276 IsEmpty]: Start isEmpty. Operand 22218 states and 32995 transitions. [2023-12-25 14:02:58,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1813 [2023-12-25 14:02:58,169 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:02:58,169 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:02:58,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2023-12-25 14:02:58,170 INFO L420 AbstractCegarLoop]: === Iteration 126 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:02:58,170 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:02:58,170 INFO L85 PathProgramCache]: Analyzing trace with hash -1412809955, now seen corresponding path program 1 times [2023-12-25 14:02:58,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:02:58,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220020960] [2023-12-25 14:02:58,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:02:58,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:03:02,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:05,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 14:03:05,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:05,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:03:05,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:05,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 14:03:05,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:05,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-25 14:03:05,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:05,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-12-25 14:03:05,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:05,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 14:03:05,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:05,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-12-25 14:03:05,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:05,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 14:03:05,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:05,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-12-25 14:03:05,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:05,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:03:05,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:05,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:03:05,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:05,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:03:05,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:05,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2023-12-25 14:03:05,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:05,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1246 [2023-12-25 14:03:05,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:05,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1261 [2023-12-25 14:03:05,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:05,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1276 [2023-12-25 14:03:05,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:05,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1291 [2023-12-25 14:03:05,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:05,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1310 [2023-12-25 14:03:05,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:05,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1330 [2023-12-25 14:03:05,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:05,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1347 [2023-12-25 14:03:05,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:05,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1364 [2023-12-25 14:03:05,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:05,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1375 [2023-12-25 14:03:05,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:05,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1388 [2023-12-25 14:03:05,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:05,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1401 [2023-12-25 14:03:05,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:05,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1414 [2023-12-25 14:03:05,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:05,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1427 [2023-12-25 14:03:05,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:05,827 INFO L134 CoverageAnalysis]: Checked inductivity of 1823 backedges. 523 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:03:05,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:03:05,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220020960] [2023-12-25 14:03:05,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220020960] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:03:05,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:03:05,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:03:05,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652519216] [2023-12-25 14:03:05,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:03:05,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:03:05,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:03:05,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:03:05,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:03:05,830 INFO L87 Difference]: Start difference. First operand 22218 states and 32995 transitions. Second operand has 5 states, 5 states have (on average 337.0) internal successors, (1685), 5 states have internal predecessors, (1685), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:03:07,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:03:07,583 INFO L93 Difference]: Finished difference Result 24399 states and 36385 transitions. [2023-12-25 14:03:07,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:03:07,584 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 337.0) internal successors, (1685), 5 states have internal predecessors, (1685), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1812 [2023-12-25 14:03:07,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:03:07,608 INFO L225 Difference]: With dead ends: 24399 [2023-12-25 14:03:07,608 INFO L226 Difference]: Without dead ends: 22218 [2023-12-25 14:03:07,616 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:03:07,617 INFO L413 NwaCegarLoop]: 2564 mSDtfsCounter, 2437 mSDsluCounter, 2582 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2450 SdHoareTripleChecker+Valid, 5146 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:03:07,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2450 Valid, 5146 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:03:07,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22218 states. [2023-12-25 14:03:09,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22218 to 22218. [2023-12-25 14:03:09,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22218 states, 21238 states have (on average 1.4614370468029005) internal successors, (31038), 21238 states have internal predecessors, (31038), 978 states have call successors, (978), 1 states have call predecessors, (978), 1 states have return successors, (978), 978 states have call predecessors, (978), 978 states have call successors, (978) [2023-12-25 14:03:09,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22218 states to 22218 states and 32994 transitions. [2023-12-25 14:03:09,386 INFO L78 Accepts]: Start accepts. Automaton has 22218 states and 32994 transitions. Word has length 1812 [2023-12-25 14:03:09,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:03:09,387 INFO L495 AbstractCegarLoop]: Abstraction has 22218 states and 32994 transitions. [2023-12-25 14:03:09,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 337.0) internal successors, (1685), 5 states have internal predecessors, (1685), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:03:09,387 INFO L276 IsEmpty]: Start isEmpty. Operand 22218 states and 32994 transitions. [2023-12-25 14:03:09,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1813 [2023-12-25 14:03:09,427 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:03:09,428 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:03:09,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125 [2023-12-25 14:03:09,428 INFO L420 AbstractCegarLoop]: === Iteration 127 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:03:09,428 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:03:09,428 INFO L85 PathProgramCache]: Analyzing trace with hash 769386203, now seen corresponding path program 1 times [2023-12-25 14:03:09,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:03:09,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339908809] [2023-12-25 14:03:09,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:03:09,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:03:13,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:16,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 14:03:16,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:16,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:03:16,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:16,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 14:03:16,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:16,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-25 14:03:16,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:16,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-12-25 14:03:16,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:16,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 14:03:16,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:16,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-12-25 14:03:16,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:16,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 14:03:16,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:16,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-12-25 14:03:16,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:16,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:03:16,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:16,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:03:16,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:16,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:03:16,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:16,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2023-12-25 14:03:16,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:16,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1246 [2023-12-25 14:03:16,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:16,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1261 [2023-12-25 14:03:16,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:16,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1276 [2023-12-25 14:03:16,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:16,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1291 [2023-12-25 14:03:16,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:16,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1310 [2023-12-25 14:03:16,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:16,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1330 [2023-12-25 14:03:16,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:16,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1347 [2023-12-25 14:03:16,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:16,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1364 [2023-12-25 14:03:16,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:16,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1375 [2023-12-25 14:03:16,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:16,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1388 [2023-12-25 14:03:16,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:16,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1401 [2023-12-25 14:03:16,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:16,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1414 [2023-12-25 14:03:16,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:16,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1427 [2023-12-25 14:03:16,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:16,435 INFO L134 CoverageAnalysis]: Checked inductivity of 1823 backedges. 523 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:03:16,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:03:16,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339908809] [2023-12-25 14:03:16,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339908809] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:03:16,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:03:16,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:03:16,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107473339] [2023-12-25 14:03:16,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:03:16,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:03:16,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:03:16,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:03:16,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:03:16,437 INFO L87 Difference]: Start difference. First operand 22218 states and 32994 transitions. Second operand has 5 states, 5 states have (on average 337.0) internal successors, (1685), 5 states have internal predecessors, (1685), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:03:18,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:03:18,164 INFO L93 Difference]: Finished difference Result 24399 states and 36383 transitions. [2023-12-25 14:03:18,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:03:18,164 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 337.0) internal successors, (1685), 5 states have internal predecessors, (1685), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1812 [2023-12-25 14:03:18,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:03:18,182 INFO L225 Difference]: With dead ends: 24399 [2023-12-25 14:03:18,182 INFO L226 Difference]: Without dead ends: 22218 [2023-12-25 14:03:18,186 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:03:18,186 INFO L413 NwaCegarLoop]: 2564 mSDtfsCounter, 2436 mSDsluCounter, 2582 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2449 SdHoareTripleChecker+Valid, 5146 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 14:03:18,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2449 Valid, 5146 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 14:03:18,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22218 states. [2023-12-25 14:03:19,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22218 to 22218. [2023-12-25 14:03:19,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22218 states, 21238 states have (on average 1.4613899613899615) internal successors, (31037), 21238 states have internal predecessors, (31037), 978 states have call successors, (978), 1 states have call predecessors, (978), 1 states have return successors, (978), 978 states have call predecessors, (978), 978 states have call successors, (978) [2023-12-25 14:03:19,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22218 states to 22218 states and 32993 transitions. [2023-12-25 14:03:19,864 INFO L78 Accepts]: Start accepts. Automaton has 22218 states and 32993 transitions. Word has length 1812 [2023-12-25 14:03:19,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:03:19,864 INFO L495 AbstractCegarLoop]: Abstraction has 22218 states and 32993 transitions. [2023-12-25 14:03:19,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 337.0) internal successors, (1685), 5 states have internal predecessors, (1685), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:03:19,865 INFO L276 IsEmpty]: Start isEmpty. Operand 22218 states and 32993 transitions. [2023-12-25 14:03:19,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1813 [2023-12-25 14:03:19,906 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:03:19,906 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:03:19,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126 [2023-12-25 14:03:19,906 INFO L420 AbstractCegarLoop]: === Iteration 128 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:03:19,907 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:03:19,907 INFO L85 PathProgramCache]: Analyzing trace with hash -1994159847, now seen corresponding path program 1 times [2023-12-25 14:03:19,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:03:19,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660518307] [2023-12-25 14:03:19,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:03:19,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:03:31,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:34,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 14:03:34,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:34,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:03:34,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:34,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 14:03:34,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:34,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-25 14:03:34,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:34,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-12-25 14:03:34,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:34,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 14:03:34,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:34,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-12-25 14:03:34,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:34,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 14:03:34,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:34,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-12-25 14:03:34,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:34,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:03:34,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:34,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:03:34,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:34,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:03:34,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:34,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2023-12-25 14:03:34,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:34,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1246 [2023-12-25 14:03:34,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:34,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1261 [2023-12-25 14:03:34,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:34,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1276 [2023-12-25 14:03:34,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:34,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1291 [2023-12-25 14:03:34,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:34,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1310 [2023-12-25 14:03:34,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:34,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1330 [2023-12-25 14:03:34,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:34,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1347 [2023-12-25 14:03:34,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:34,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1364 [2023-12-25 14:03:34,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:34,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1375 [2023-12-25 14:03:34,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:34,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1388 [2023-12-25 14:03:34,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:34,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1401 [2023-12-25 14:03:34,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:34,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1414 [2023-12-25 14:03:34,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:34,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1427 [2023-12-25 14:03:34,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:34,427 INFO L134 CoverageAnalysis]: Checked inductivity of 1823 backedges. 523 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:03:34,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:03:34,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660518307] [2023-12-25 14:03:34,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660518307] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:03:34,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:03:34,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:03:34,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281338601] [2023-12-25 14:03:34,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:03:34,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:03:34,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:03:34,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:03:34,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:03:34,431 INFO L87 Difference]: Start difference. First operand 22218 states and 32993 transitions. Second operand has 5 states, 5 states have (on average 337.0) internal successors, (1685), 5 states have internal predecessors, (1685), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:03:36,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:03:36,402 INFO L93 Difference]: Finished difference Result 24399 states and 36381 transitions. [2023-12-25 14:03:36,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:03:36,403 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 337.0) internal successors, (1685), 5 states have internal predecessors, (1685), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1812 [2023-12-25 14:03:36,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:03:36,426 INFO L225 Difference]: With dead ends: 24399 [2023-12-25 14:03:36,427 INFO L226 Difference]: Without dead ends: 22218 [2023-12-25 14:03:36,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:03:36,435 INFO L413 NwaCegarLoop]: 2527 mSDtfsCounter, 2267 mSDsluCounter, 2545 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2267 SdHoareTripleChecker+Valid, 5072 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:03:36,435 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2267 Valid, 5072 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:03:36,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22218 states. [2023-12-25 14:03:38,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22218 to 22218. [2023-12-25 14:03:38,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22218 states, 21238 states have (on average 1.4613428759770224) internal successors, (31036), 21238 states have internal predecessors, (31036), 978 states have call successors, (978), 1 states have call predecessors, (978), 1 states have return successors, (978), 978 states have call predecessors, (978), 978 states have call successors, (978) [2023-12-25 14:03:38,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22218 states to 22218 states and 32992 transitions. [2023-12-25 14:03:38,242 INFO L78 Accepts]: Start accepts. Automaton has 22218 states and 32992 transitions. Word has length 1812 [2023-12-25 14:03:38,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:03:38,242 INFO L495 AbstractCegarLoop]: Abstraction has 22218 states and 32992 transitions. [2023-12-25 14:03:38,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 337.0) internal successors, (1685), 5 states have internal predecessors, (1685), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:03:38,243 INFO L276 IsEmpty]: Start isEmpty. Operand 22218 states and 32992 transitions. [2023-12-25 14:03:38,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1813 [2023-12-25 14:03:38,285 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:03:38,286 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:03:38,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127 [2023-12-25 14:03:38,286 INFO L420 AbstractCegarLoop]: === Iteration 129 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:03:38,286 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:03:38,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1050823639, now seen corresponding path program 1 times [2023-12-25 14:03:38,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:03:38,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384836958] [2023-12-25 14:03:38,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:03:38,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:03:49,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:52,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 14:03:52,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:52,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:03:52,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:52,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 14:03:52,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:52,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-25 14:03:52,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:52,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-12-25 14:03:52,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:52,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 14:03:52,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:52,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-12-25 14:03:52,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:52,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 14:03:52,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:52,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-12-25 14:03:52,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:52,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:03:52,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:52,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:03:52,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:52,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:03:52,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:52,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2023-12-25 14:03:52,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:52,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1246 [2023-12-25 14:03:52,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:52,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1261 [2023-12-25 14:03:52,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:52,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1276 [2023-12-25 14:03:52,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:52,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1291 [2023-12-25 14:03:52,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:52,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1310 [2023-12-25 14:03:52,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:52,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1330 [2023-12-25 14:03:52,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:52,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1347 [2023-12-25 14:03:52,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:52,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1364 [2023-12-25 14:03:52,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:52,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1375 [2023-12-25 14:03:52,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:52,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1388 [2023-12-25 14:03:52,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:52,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1401 [2023-12-25 14:03:52,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:52,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1414 [2023-12-25 14:03:52,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:52,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1427 [2023-12-25 14:03:52,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:03:52,338 INFO L134 CoverageAnalysis]: Checked inductivity of 1823 backedges. 523 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:03:52,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:03:52,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384836958] [2023-12-25 14:03:52,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384836958] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:03:52,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:03:52,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:03:52,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253170835] [2023-12-25 14:03:52,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:03:52,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:03:52,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:03:52,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:03:52,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:03:52,342 INFO L87 Difference]: Start difference. First operand 22218 states and 32992 transitions. Second operand has 5 states, 5 states have (on average 337.0) internal successors, (1685), 5 states have internal predecessors, (1685), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:03:54,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:03:54,090 INFO L93 Difference]: Finished difference Result 24399 states and 36379 transitions. [2023-12-25 14:03:54,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:03:54,091 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 337.0) internal successors, (1685), 5 states have internal predecessors, (1685), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1812 [2023-12-25 14:03:54,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:03:54,115 INFO L225 Difference]: With dead ends: 24399 [2023-12-25 14:03:54,116 INFO L226 Difference]: Without dead ends: 22218 [2023-12-25 14:03:54,123 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:03:54,124 INFO L413 NwaCegarLoop]: 2527 mSDtfsCounter, 4123 mSDsluCounter, 2529 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4123 SdHoareTripleChecker+Valid, 5056 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:03:54,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4123 Valid, 5056 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:03:54,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22218 states. [2023-12-25 14:03:55,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22218 to 22218. [2023-12-25 14:03:55,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22218 states, 21238 states have (on average 1.4612957905640833) internal successors, (31035), 21238 states have internal predecessors, (31035), 978 states have call successors, (978), 1 states have call predecessors, (978), 1 states have return successors, (978), 978 states have call predecessors, (978), 978 states have call successors, (978) [2023-12-25 14:03:55,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22218 states to 22218 states and 32991 transitions. [2023-12-25 14:03:55,903 INFO L78 Accepts]: Start accepts. Automaton has 22218 states and 32991 transitions. Word has length 1812 [2023-12-25 14:03:55,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:03:55,904 INFO L495 AbstractCegarLoop]: Abstraction has 22218 states and 32991 transitions. [2023-12-25 14:03:55,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 337.0) internal successors, (1685), 5 states have internal predecessors, (1685), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:03:55,905 INFO L276 IsEmpty]: Start isEmpty. Operand 22218 states and 32991 transitions. [2023-12-25 14:03:55,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1813 [2023-12-25 14:03:55,948 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:03:55,949 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:03:55,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128 [2023-12-25 14:03:55,949 INFO L420 AbstractCegarLoop]: === Iteration 130 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:03:55,949 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:03:55,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1944452391, now seen corresponding path program 1 times [2023-12-25 14:03:55,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:03:55,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455423537] [2023-12-25 14:03:55,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:03:55,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:04:06,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:09,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 14:04:09,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:09,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:04:09,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:09,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 14:04:09,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:09,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-25 14:04:09,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:09,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-12-25 14:04:09,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:09,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 14:04:09,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:09,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-12-25 14:04:09,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:09,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 14:04:09,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:09,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-12-25 14:04:09,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:09,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:04:09,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:09,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:04:09,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:09,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:04:09,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:09,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2023-12-25 14:04:09,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:09,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1246 [2023-12-25 14:04:09,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:09,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1261 [2023-12-25 14:04:09,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:09,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1276 [2023-12-25 14:04:09,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:09,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1291 [2023-12-25 14:04:09,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:09,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1310 [2023-12-25 14:04:09,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:09,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1330 [2023-12-25 14:04:09,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:09,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1347 [2023-12-25 14:04:09,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:09,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1364 [2023-12-25 14:04:09,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:09,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1375 [2023-12-25 14:04:09,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:09,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1388 [2023-12-25 14:04:09,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:09,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1401 [2023-12-25 14:04:09,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:09,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1414 [2023-12-25 14:04:09,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:09,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1427 [2023-12-25 14:04:09,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:09,279 INFO L134 CoverageAnalysis]: Checked inductivity of 1823 backedges. 523 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:04:09,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:04:09,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455423537] [2023-12-25 14:04:09,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455423537] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:04:09,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:04:09,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:04:09,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560399812] [2023-12-25 14:04:09,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:04:09,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:04:09,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:04:09,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:04:09,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:04:09,283 INFO L87 Difference]: Start difference. First operand 22218 states and 32991 transitions. Second operand has 5 states, 5 states have (on average 337.0) internal successors, (1685), 5 states have internal predecessors, (1685), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:04:11,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:04:11,153 INFO L93 Difference]: Finished difference Result 24399 states and 36377 transitions. [2023-12-25 14:04:11,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:04:11,154 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 337.0) internal successors, (1685), 5 states have internal predecessors, (1685), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1812 [2023-12-25 14:04:11,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:04:11,178 INFO L225 Difference]: With dead ends: 24399 [2023-12-25 14:04:11,179 INFO L226 Difference]: Without dead ends: 22218 [2023-12-25 14:04:11,185 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:04:11,185 INFO L413 NwaCegarLoop]: 2527 mSDtfsCounter, 4022 mSDsluCounter, 2529 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4022 SdHoareTripleChecker+Valid, 5056 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:04:11,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4022 Valid, 5056 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:04:11,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22218 states. [2023-12-25 14:04:12,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22218 to 22218. [2023-12-25 14:04:12,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22218 states, 21238 states have (on average 1.4612487051511442) internal successors, (31034), 21238 states have internal predecessors, (31034), 978 states have call successors, (978), 1 states have call predecessors, (978), 1 states have return successors, (978), 978 states have call predecessors, (978), 978 states have call successors, (978) [2023-12-25 14:04:12,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22218 states to 22218 states and 32990 transitions. [2023-12-25 14:04:12,966 INFO L78 Accepts]: Start accepts. Automaton has 22218 states and 32990 transitions. Word has length 1812 [2023-12-25 14:04:12,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:04:12,967 INFO L495 AbstractCegarLoop]: Abstraction has 22218 states and 32990 transitions. [2023-12-25 14:04:12,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 337.0) internal successors, (1685), 5 states have internal predecessors, (1685), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:04:12,967 INFO L276 IsEmpty]: Start isEmpty. Operand 22218 states and 32990 transitions. [2023-12-25 14:04:13,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1813 [2023-12-25 14:04:13,010 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:04:13,010 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:04:13,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2023-12-25 14:04:13,011 INFO L420 AbstractCegarLoop]: === Iteration 131 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:04:13,011 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:04:13,011 INFO L85 PathProgramCache]: Analyzing trace with hash 2077025047, now seen corresponding path program 1 times [2023-12-25 14:04:13,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:04:13,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591468614] [2023-12-25 14:04:13,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:04:13,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:04:26,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:29,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 14:04:29,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:29,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:04:29,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:29,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 14:04:29,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:29,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-25 14:04:29,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:29,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-12-25 14:04:29,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:29,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 14:04:29,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:29,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-12-25 14:04:29,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:29,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 14:04:29,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:29,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-12-25 14:04:29,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:29,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:04:29,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:29,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:04:29,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:29,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:04:29,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:29,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2023-12-25 14:04:29,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:29,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1246 [2023-12-25 14:04:29,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:29,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1261 [2023-12-25 14:04:29,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:29,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1276 [2023-12-25 14:04:29,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:29,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1291 [2023-12-25 14:04:29,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:29,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1310 [2023-12-25 14:04:29,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:29,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1330 [2023-12-25 14:04:29,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:29,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1347 [2023-12-25 14:04:29,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:29,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1364 [2023-12-25 14:04:29,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:29,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1375 [2023-12-25 14:04:29,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:29,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1388 [2023-12-25 14:04:29,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:29,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1401 [2023-12-25 14:04:29,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:29,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1414 [2023-12-25 14:04:29,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:29,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1427 [2023-12-25 14:04:29,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:29,056 INFO L134 CoverageAnalysis]: Checked inductivity of 1823 backedges. 523 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:04:29,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:04:29,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591468614] [2023-12-25 14:04:29,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591468614] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:04:29,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:04:29,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:04:29,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097691938] [2023-12-25 14:04:29,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:04:29,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:04:29,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:04:29,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:04:29,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:04:29,059 INFO L87 Difference]: Start difference. First operand 22218 states and 32990 transitions. Second operand has 5 states, 5 states have (on average 337.0) internal successors, (1685), 5 states have internal predecessors, (1685), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:04:30,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:04:30,882 INFO L93 Difference]: Finished difference Result 24399 states and 36375 transitions. [2023-12-25 14:04:30,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:04:30,883 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 337.0) internal successors, (1685), 5 states have internal predecessors, (1685), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1812 [2023-12-25 14:04:30,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:04:30,905 INFO L225 Difference]: With dead ends: 24399 [2023-12-25 14:04:30,905 INFO L226 Difference]: Without dead ends: 22218 [2023-12-25 14:04:30,912 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:04:30,912 INFO L413 NwaCegarLoop]: 2527 mSDtfsCounter, 2264 mSDsluCounter, 2545 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2264 SdHoareTripleChecker+Valid, 5072 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:04:30,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2264 Valid, 5072 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:04:30,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22218 states. [2023-12-25 14:04:32,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22218 to 22218. [2023-12-25 14:04:32,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22218 states, 21238 states have (on average 1.4612016197382052) internal successors, (31033), 21238 states have internal predecessors, (31033), 978 states have call successors, (978), 1 states have call predecessors, (978), 1 states have return successors, (978), 978 states have call predecessors, (978), 978 states have call successors, (978) [2023-12-25 14:04:32,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22218 states to 22218 states and 32989 transitions. [2023-12-25 14:04:32,671 INFO L78 Accepts]: Start accepts. Automaton has 22218 states and 32989 transitions. Word has length 1812 [2023-12-25 14:04:32,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:04:32,671 INFO L495 AbstractCegarLoop]: Abstraction has 22218 states and 32989 transitions. [2023-12-25 14:04:32,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 337.0) internal successors, (1685), 5 states have internal predecessors, (1685), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:04:32,672 INFO L276 IsEmpty]: Start isEmpty. Operand 22218 states and 32989 transitions. [2023-12-25 14:04:32,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1813 [2023-12-25 14:04:32,711 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:04:32,711 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:04:32,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2023-12-25 14:04:32,712 INFO L420 AbstractCegarLoop]: === Iteration 132 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:04:32,712 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:04:32,712 INFO L85 PathProgramCache]: Analyzing trace with hash -846287719, now seen corresponding path program 1 times [2023-12-25 14:04:32,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:04:32,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703027541] [2023-12-25 14:04:32,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:04:32,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:04:43,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:46,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 14:04:46,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:46,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:04:46,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:46,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 14:04:46,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:46,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-25 14:04:46,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:46,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-12-25 14:04:46,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:46,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 14:04:46,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:46,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-12-25 14:04:46,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:46,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 14:04:46,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:46,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-12-25 14:04:46,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:46,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:04:46,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:46,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:04:46,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:46,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:04:46,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:46,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2023-12-25 14:04:46,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:46,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1246 [2023-12-25 14:04:46,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:46,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1261 [2023-12-25 14:04:46,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:46,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1276 [2023-12-25 14:04:46,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:46,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1291 [2023-12-25 14:04:46,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:46,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1310 [2023-12-25 14:04:46,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:46,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1330 [2023-12-25 14:04:46,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:46,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1347 [2023-12-25 14:04:46,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:46,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1364 [2023-12-25 14:04:46,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:46,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1375 [2023-12-25 14:04:46,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:46,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1388 [2023-12-25 14:04:46,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:46,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1401 [2023-12-25 14:04:46,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:46,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1414 [2023-12-25 14:04:46,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:46,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1427 [2023-12-25 14:04:46,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:04:46,180 INFO L134 CoverageAnalysis]: Checked inductivity of 1823 backedges. 523 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:04:46,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:04:46,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703027541] [2023-12-25 14:04:46,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703027541] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:04:46,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:04:46,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:04:46,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009253010] [2023-12-25 14:04:46,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:04:46,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:04:46,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:04:46,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:04:46,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:04:46,183 INFO L87 Difference]: Start difference. First operand 22218 states and 32989 transitions. Second operand has 5 states, 5 states have (on average 337.0) internal successors, (1685), 5 states have internal predecessors, (1685), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:04:48,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:04:48,043 INFO L93 Difference]: Finished difference Result 24399 states and 36373 transitions. [2023-12-25 14:04:48,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:04:48,043 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 337.0) internal successors, (1685), 5 states have internal predecessors, (1685), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1812 [2023-12-25 14:04:48,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:04:48,067 INFO L225 Difference]: With dead ends: 24399 [2023-12-25 14:04:48,067 INFO L226 Difference]: Without dead ends: 22218 [2023-12-25 14:04:48,071 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:04:48,072 INFO L413 NwaCegarLoop]: 2527 mSDtfsCounter, 3926 mSDsluCounter, 2529 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3926 SdHoareTripleChecker+Valid, 5056 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:04:48,072 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3926 Valid, 5056 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:04:48,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22218 states. [2023-12-25 14:04:49,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22218 to 22218. [2023-12-25 14:04:49,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22218 states, 21238 states have (on average 1.461154534325266) internal successors, (31032), 21238 states have internal predecessors, (31032), 978 states have call successors, (978), 1 states have call predecessors, (978), 1 states have return successors, (978), 978 states have call predecessors, (978), 978 states have call successors, (978) [2023-12-25 14:04:49,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22218 states to 22218 states and 32988 transitions. [2023-12-25 14:04:49,770 INFO L78 Accepts]: Start accepts. Automaton has 22218 states and 32988 transitions. Word has length 1812 [2023-12-25 14:04:49,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:04:49,770 INFO L495 AbstractCegarLoop]: Abstraction has 22218 states and 32988 transitions. [2023-12-25 14:04:49,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 337.0) internal successors, (1685), 5 states have internal predecessors, (1685), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:04:49,771 INFO L276 IsEmpty]: Start isEmpty. Operand 22218 states and 32988 transitions. [2023-12-25 14:04:49,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1813 [2023-12-25 14:04:49,812 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:04:49,813 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:04:49,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2023-12-25 14:04:49,813 INFO L420 AbstractCegarLoop]: === Iteration 133 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:04:49,813 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:04:49,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1740069417, now seen corresponding path program 1 times [2023-12-25 14:04:49,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:04:49,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632200549] [2023-12-25 14:04:49,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:04:49,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-25 14:05:00,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:02,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-25 14:05:02,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:02,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-12-25 14:05:02,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:02,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-12-25 14:05:02,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:02,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-12-25 14:05:02,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:02,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-12-25 14:05:02,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:02,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-12-25 14:05:02,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:02,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-12-25 14:05:02,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:02,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-12-25 14:05:02,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:02,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-12-25 14:05:02,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:02,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-12-25 14:05:02,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:02,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-12-25 14:05:02,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:02,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2023-12-25 14:05:02,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:02,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2023-12-25 14:05:02,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:02,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1246 [2023-12-25 14:05:02,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:02,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1261 [2023-12-25 14:05:02,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:02,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1276 [2023-12-25 14:05:02,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:02,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1291 [2023-12-25 14:05:02,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:02,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1310 [2023-12-25 14:05:02,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:02,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1330 [2023-12-25 14:05:02,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:02,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1347 [2023-12-25 14:05:02,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:02,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1364 [2023-12-25 14:05:02,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:02,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1375 [2023-12-25 14:05:02,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:02,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1388 [2023-12-25 14:05:02,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:02,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1401 [2023-12-25 14:05:02,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:02,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1414 [2023-12-25 14:05:02,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:02,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1427 [2023-12-25 14:05:02,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 14:05:02,811 INFO L134 CoverageAnalysis]: Checked inductivity of 1823 backedges. 523 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-25 14:05:02,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-25 14:05:02,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632200549] [2023-12-25 14:05:02,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632200549] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 14:05:02,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 14:05:02,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 14:05:02,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716857647] [2023-12-25 14:05:02,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 14:05:02,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 14:05:02,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-25 14:05:02,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 14:05:02,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-25 14:05:02,813 INFO L87 Difference]: Start difference. First operand 22218 states and 32988 transitions. Second operand has 5 states, 5 states have (on average 337.0) internal successors, (1685), 5 states have internal predecessors, (1685), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:05:04,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 14:05:04,638 INFO L93 Difference]: Finished difference Result 24399 states and 36371 transitions. [2023-12-25 14:05:04,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 14:05:04,639 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 337.0) internal successors, (1685), 5 states have internal predecessors, (1685), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1812 [2023-12-25 14:05:04,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 14:05:04,663 INFO L225 Difference]: With dead ends: 24399 [2023-12-25 14:05:04,663 INFO L226 Difference]: Without dead ends: 22218 [2023-12-25 14:05:04,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 14:05:04,671 INFO L413 NwaCegarLoop]: 2527 mSDtfsCounter, 3917 mSDsluCounter, 2529 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3917 SdHoareTripleChecker+Valid, 5056 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 14:05:04,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3917 Valid, 5056 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 14:05:04,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22218 states. [2023-12-25 14:05:06,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22218 to 22218. [2023-12-25 14:05:06,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22218 states, 21238 states have (on average 1.461107448912327) internal successors, (31031), 21238 states have internal predecessors, (31031), 978 states have call successors, (978), 1 states have call predecessors, (978), 1 states have return successors, (978), 978 states have call predecessors, (978), 978 states have call successors, (978) [2023-12-25 14:05:06,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22218 states to 22218 states and 32987 transitions. [2023-12-25 14:05:06,466 INFO L78 Accepts]: Start accepts. Automaton has 22218 states and 32987 transitions. Word has length 1812 [2023-12-25 14:05:06,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 14:05:06,467 INFO L495 AbstractCegarLoop]: Abstraction has 22218 states and 32987 transitions. [2023-12-25 14:05:06,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 337.0) internal successors, (1685), 5 states have internal predecessors, (1685), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-25 14:05:06,467 INFO L276 IsEmpty]: Start isEmpty. Operand 22218 states and 32987 transitions. [2023-12-25 14:05:06,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1813 [2023-12-25 14:05:06,509 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 14:05:06,510 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:05:06,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2023-12-25 14:05:06,510 INFO L420 AbstractCegarLoop]: === Iteration 134 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 14:05:06,510 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 14:05:06,510 INFO L85 PathProgramCache]: Analyzing trace with hash 333280857, now seen corresponding path program 1 times [2023-12-25 14:05:06,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-25 14:05:06,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959882550] [2023-12-25 14:05:06,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 14:05:06,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms Received shutdown request... [2023-12-25 14:05:16,333 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-25 14:05:16,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-25 14:05:16,559 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-25 14:05:16,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133 [2023-12-25 14:05:16,560 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 1813 with TraceHistMax 26,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleSmtInterpolCraig [1959882550] and IpTcStrategyModuleZ3 [1414854300]. [2023-12-25 14:05:16,565 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 14:05:16,567 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-25 14:05:16,569 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.12 02:05:16 BoogieIcfgContainer [2023-12-25 14:05:16,569 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-25 14:05:16,569 INFO L158 Benchmark]: Toolchain (without parser) took 775878.61ms. Allocated memory was 198.2MB in the beginning and 4.9GB in the end (delta: 4.7GB). Free memory was 134.9MB in the beginning and 1.9GB in the end (delta: -1.7GB). Peak memory consumption was 4.2GB. Max. memory is 8.0GB. [2023-12-25 14:05:16,569 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 198.2MB. Free memory is still 153.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-25 14:05:16,569 INFO L158 Benchmark]: CACSL2BoogieTranslator took 976.15ms. Allocated memory was 198.2MB in the beginning and 287.3MB in the end (delta: 89.1MB). Free memory was 134.7MB in the beginning and 204.3MB in the end (delta: -69.5MB). Peak memory consumption was 68.2MB. Max. memory is 8.0GB. [2023-12-25 14:05:16,570 INFO L158 Benchmark]: Boogie Procedure Inliner took 778.96ms. Allocated memory was 287.3MB in the beginning and 574.6MB in the end (delta: 287.3MB). Free memory was 204.3MB in the beginning and 394.1MB in the end (delta: -189.8MB). Peak memory consumption was 132.6MB. Max. memory is 8.0GB. [2023-12-25 14:05:16,570 INFO L158 Benchmark]: Boogie Preprocessor took 843.06ms. Allocated memory is still 574.6MB. Free memory was 394.1MB in the beginning and 339.5MB in the end (delta: 54.5MB). Peak memory consumption was 55.1MB. Max. memory is 8.0GB. [2023-12-25 14:05:16,570 INFO L158 Benchmark]: RCFGBuilder took 4812.95ms. Allocated memory was 574.6MB in the beginning and 1.1GB in the end (delta: 494.9MB). Free memory was 339.5MB in the beginning and 446.0MB in the end (delta: -106.4MB). Peak memory consumption was 390.6MB. Max. memory is 8.0GB. [2023-12-25 14:05:16,570 INFO L158 Benchmark]: TraceAbstraction took 768460.71ms. Allocated memory was 1.1GB in the beginning and 4.9GB in the end (delta: 3.8GB). Free memory was 444.9MB in the beginning and 1.9GB in the end (delta: -1.4GB). Peak memory consumption was 3.6GB. Max. memory is 8.0GB. [2023-12-25 14:05:16,570 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 198.2MB. Free memory is still 153.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 976.15ms. Allocated memory was 198.2MB in the beginning and 287.3MB in the end (delta: 89.1MB). Free memory was 134.7MB in the beginning and 204.3MB in the end (delta: -69.5MB). Peak memory consumption was 68.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 778.96ms. Allocated memory was 287.3MB in the beginning and 574.6MB in the end (delta: 287.3MB). Free memory was 204.3MB in the beginning and 394.1MB in the end (delta: -189.8MB). Peak memory consumption was 132.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 843.06ms. Allocated memory is still 574.6MB. Free memory was 394.1MB in the beginning and 339.5MB in the end (delta: 54.5MB). Peak memory consumption was 55.1MB. Max. memory is 8.0GB. * RCFGBuilder took 4812.95ms. Allocated memory was 574.6MB in the beginning and 1.1GB in the end (delta: 494.9MB). Free memory was 339.5MB in the beginning and 446.0MB in the end (delta: -106.4MB). Peak memory consumption was 390.6MB. Max. memory is 8.0GB. * TraceAbstraction took 768460.71ms. Allocated memory was 1.1GB in the beginning and 4.9GB in the end (delta: 3.8GB). Free memory was 444.9MB in the beginning and 1.9GB in the end (delta: -1.4GB). Peak memory consumption was 3.6GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 21]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 21). Cancelled while NwaCegarLoop was analyzing trace of length 1813 with TraceHistMax 26,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleSmtInterpolCraig [1959882550] and IpTcStrategyModuleZ3 [1414854300]. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 1643 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 768.4s, OverallIterations: 134, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 2.6s, AutomataDifference: 172.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 555123 SdHoareTripleChecker+Valid, 66.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 554040 mSDsluCounter, 1106840 SdHoareTripleChecker+Invalid, 54.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 734526 mSDsCounter, 1107 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 108485 IncrementalHoareTripleChecker+Invalid, 109592 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1107 mSolverCounterUnsat, 372314 mSDtfsCounter, 108485 mSolverCounterSat, 2.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5323 GetRequests, 4602 SyntacticMatches, 3 SemanticMatches, 718 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 463 ImplicationChecksByTransitivity, 4.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22218occurred in iteration=97, InterpolantAutomatonStates: 715, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 99.0s AutomataMinimizationTime, 133 MinimizatonAttempts, 131393 StatesRemovedByMinimization, 51 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 4.9s SsaConstructionTime, 278.3s SatisfiabilityAnalysisTime, 194.8s InterpolantComputationTime, 136118 NumberOfCodeBlocks, 136118 NumberOfCodeBlocksAsserted, 133 NumberOfCheckSat, 135985 ConstructedInterpolants, 0 QuantifiedInterpolants, 671242 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 133 InterpolantComputations, 133 PerfectInterpolantSequences, 95892/95892 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown